What is Time?

What actually is time? There are many theories about time. The basic thing about it is the observation from old about the cycle of sunrise and sunset. The cycle is also observed about the season and the stars. They call this observation ‘time’.

Without any equipment, early man roughly divide time into day, night, month, year, seasons etc. As it goes along, there is a need to subdivide to smaller sections called “hour”. Man start to use various method of defining the sections. In the advent of science, clock was invented to provide a easy and portable way of telling time.

It is then men began to wonder about ‘time’ itself. Since everything on earth is measured by length, breath, and height (3 dimension), they began to assume ‘time’ as the fourth dimension and called the four collectively as ‘space-time’.

In my earlier blog I talked about time travel. I did not discuss in length about ‘time’ itself. Here, I will try to explore the concept of time a bit further. Space-time concept has been deep rooted in man’s mind. However, can ‘time’ be really a dimension itself?

A dimension is something that can be measured. Therefore, time dimension should also be measured. However, the method of measuring ‘time’ is simply not real in relation with the other 3 dimensions. You can measure time from the moment you start to the moment you stop. You just can’t measure time from now into the past. Neither can you measure time from now to the future.  The past no longer exist. The future simply hasn’t exist yet. What you have is just ‘now’.

Time travel advocates will say that time dimension exist in multiple instances of ‘now’. The conservation of mass law is broken if this happens. Multiple instances of ‘now’ means the whole ‘now’ instance is replicated into infinity. That is equivalent of creating the whole universe countless times. If matter can be duplicated against the conservation of matter law, the science world would be in chaos.

Time, therefore, is the transition of instances. Matters change its form as it goes along. There will be only one instance of the matter. What we see is the progress of the change (or no change)  and the progress is called ‘time’. What we measured is actually clock cycle of the machine we created and not time itself. There is no 4th dimension. Space-time is simply imagination and not science.

Einstein said, ‘Time has no independent existence apart from the order of events by which we measure it,’ I fully agree.

Einstein later also say  “Speed of time change depending on the speed of the object, and its position in the gravitational field. As speed increases, time is shortened and compressed, and it slows down.”

I don’t quite agree. He is talking about relativity in this case. It does not have any relationship to the fact that time goes on regardless of whether we are moving or not. Since time is not a physical quantity that can be measured, the term “speed” has no meaning except in relative measurement with a clock which should be independent of the movement. If you let the movement interfere with the clock functionality then obviously time changes for you but not for the universe around you. That’s why the clock does not determine ‘time’. ‘Time’ exists before the clock is invented.

I saw an article about NASA use gyroscope in space to measure space-time deviation.  They did measured some deviations. The question is what are they measuring. Pointing to a distance star that was billion light years away and assume that is a constant? 

According to Hubblesite.org "Einstein's theory of general relativity predicts that every object bends light rays through its gravity. This is called gravitational lensing. For our Sun this effect is very weak, but it has been measured. For more massive and distant objects in the Universe much stronger lensing has been seen." What was measured was the light of the stars that reaches earth. So this is one deviation that may cause it.

Gyroscope did point to a consistent point. However, that is only if you rotates it in its place. What if you move the whole gyroscope? Does it points to the same point or does it point to a point that deviates the same distance as it moves?

We all knows that satellites orbits around earth. Earth orbits around the Sun. The sun orbits around the galaxy. The galaxy may also orbits around the universe. Similarly, the star will do exactly the same as earth but at a different orbit. So when you say the gyroscope points to a star. All the deviations will add to the measurement as they don't orbit in perfect circles. It also does not means that they will orbit exactly on the same axis. If it does then you would not observe galaxies merging together.

We were told that the big bang started from one point and is still expanding today. Earth and the distant star are not moving in the same direction (at least it is not known whether they happened to travel in the same direction). This also adds to the deviation.

The measurement period is only 1.5 years. It is not enough to conclusively says that the parameter shifts are constant. 

With all these variables, if you say there is no deviation then it is utterly rubbish. So, does the measurement measure the actual space-time deviation? I am really doubtful.

Time travel the non-scientific explanation (aka common sense)

People are always intrigued by the idea of time travel. Is it even remotely possible? The following is an effort to try to see the possibility of it in a lay man's way.

First the 'time' element must be explored. What actually is 'time'? Early humans observed the rising and setting of the sun. They also observed the seasonal cycle. Therefore they call the cycle concept 'time'. Time is therefore a concept not a physical property.

As technology improves, people want to have a more precise definition of 'time' cycle. The therefore invented the thing called clock. Clock is supposed to be a machine that measures 'time'. It does resembles the cycle that man observes earlier. But does that actually make 'time' a physical property? It does represents a instrument to define cycles of its motion from the moment it starts to the moment it reaches back to the same position. We probably can call it a cycle of motion. But that does not equates to the 'dimension' (length, breath, and height) that we can measure physically. Generally, time is referred to as the fourth dimension. It is at best man's effort to quantify a measurement of a concept. There are a lot of theories about the space-time (4 dimensions).

With the clock, they invented another concept called 'speed'. The definition of 'speed' is distance divided by time. Its the beginning of mixing physical property with a concept. Obviously people will not regard 'time' as a concept now as they can now 'measure' it. Lets just leave the argument alone as it is not the topic of discussion. 

With the avent of 'speed', peoole start to measure all kind of things. The speed of light is thus derived. The next thing come into mind is that if one could travel faster than the speed of light, one could end up in the future . Thus the concept of time travel comes into being. The next obvious question is whether we could go back in time.

Going back in time already happening right now. The sunlight we see now is actually 8 minutes and 20 sec ago when it happened. We can actually see cosmic activities that happened billion years ago. The real question is going back to our own past. Now if we travel away from the place where we started at 300000 KM per sec (speed of light). We can only see the moment when we started (assuming the speed is 300000 KM in one sec). To see the moment before that, we have to travel much faster than that. At twice the speed of light we barely see the moment one second before hand.

Hold on. Now that we are 0.6 million KM away. How big is the picture that we can see? If you use a standard 50 mm camera (see the image the same size as real one) to take a picture of the starting position, you can practically see nothing. We actually need a huge telescope to see the starting point. How big is the telescope? I let you do the calculation yourself. Did I mention that it takes a few seconds to focus properly?

On the other hand, since the light has not reach us from the cosmic event, we are actually in their 'future' right? So if we travel fast enough towards it, can we reach it at the state in the past? It is equivalent to say that if you fires a gun at me but then I travel fast enough I can reach you before you do it. That is a interesting question. Can you reach a physical event before it happens? Common sense will tell you that it is not possible. No matter how fast we travel, we take time to do it. By the time we reach the object, the event is already gone. Seeing an event is not equal to be in the same physical event. That's why I say 'time' is a concept.

Let us now focus on the idea of travelling forward to the future. Well, before the light start to move, it does not exist. Just like before you switch on the light, you see no light. It is as simple as that. So, even when we tried to travel faster than speed, it still does not exist. 

Obviously some one will argue that what we are seeing now is actually in the past. It will remain an unknown at best.

We see in motion pictures that people travel to the past/future and interacts with the events in the past. Well, that remains only in fiction stories. Remember my very first message that 'time' is a concept? It is not real and cannot coexist with the present.

My concept of time is therefore 'a measure of event that occurred by comparing it with a device that has a constant cycle". It is not a physical property. We use time to predict what is the physical condition after a certain cycle that occurred. Like for example, I travel at 15 KPH for one hour. I can predict where am I after the cycle is completed. 

Time travel is therefore purely imagination. It should remain a flawed science fiction.

What does a 60X magnification on a digital camera means

I am always troubled by the magnification factor of digital cameras. Recently, there is an advertisement about a camera that could zoom 60X. Now if that is a DSLR standard then it will be 3000 mm super telephoto lens. A standard lens is 50 mm (1:1 view) If you see professional camera man, you will notice that they carry camera with super long lens and that is generally a 1000 mm lens. It is thus impossible that a compact camera have 3000 mm focal length lens.

In actual fact the magnification on a compact camera is a negative magnification type. That is to say you set the maximum focal length then you could zoom out to view more areas. Taking the Nikon P600 as an example. The focal length is about 4.3mm to 258 mm.  To a standard 50 mm lens, 258 mm is about 5x and 4.3 mm is -12x. So you practically can zoom in to 5x for a telephoto and zoom out 12x to get super wide angle.

For a person who likes telephoto zoom, 5x is generally not good enough but is sufficient for not-so-far-distance shots. 12x wide angle shots will be useful only if you are in a very tight spot like shooting a large building on the edge of a steep slope. Consider the aperture of F3.3-6.5 (P600), practically you can only shoot at bright light condition without flash.

The conclusion is that it will be convenient camera to carry around but don't expect very good quality photos when you play with telephoto shots. Moreover, at 100 mm and above, you practically need tripod. There is no way you could shoot a picture free hand using telephoto. The convenience is totally lost if you need to carry an extra tripod.

Cycling map in Singapore

Go to the map directly at https://www.google.com/maps/d/u/0/view?mid=zYN7CFn96k94.k5NpSMlBEPvI

Publishing a map with Map Engine

I have used a number of mapping programs to create routes. They are route based programs. I have also used "My Map" (Google) to create maps with routes and other information. The most notable one  is PCN on Bikes. It was later recreated into the Map Engine Lite as New PCN on Bike.

The former has been migrated to the latter. That caused a problem. There is a maximum of 5 layers and no Custom Icons. Also the uploading is limited to 500 items per layer. I can't just import and export the whole map in one go and I can't upload the old PCN on Bike onto the new. It took me quite some time to redo the whole thing in the LITE version. The result is a map that uses default icons and just 5 layers. I is not pleasant to look at. Thus it is important for me to look for alternatives.

One alternative is to pay $5 per month for the PRO version. However, the limits is just extended to 10 Layers and 2000 items. It probably served all my purposes but  I refused to pay for it. I am not running a business on the map and gains nothing from it besides the praise from uses. One friend offers to sponsor me. I am hesitant to accept it.

One other option is to use the Map Engine evaluation. It is something like PRO but with 80,000 load traffic and 10 MB data size limits. It allows custom icons and large number of layers. This looked good.

It is a hard time trying to use Map Engine though. Firstly it does not have editing feature. Luckily it can import KML files. Thus I imported the KML from the Map Engine Lite and after a long and tedious process of uploading to the Data Source, adding to Layer and then adding to Map. I managed to create a seeable map. I thought that will be the end of the story.

On helping another group to create a map, I realized that there is an app in Android called "My Maps". It can load the maps onto the hand phone and view it on the go. That is great news till I viewed it. The map cannot be loaded reason being that the app cannot load map with KML layers. That is a huge let down. If it can be loaded then surely it should be displayed.

I guess Google does not want Google Engine to be use by the Map Engine Lite people to by pass the custom icon and layer limitation settings. If it can be easily imported into Map Engine then they will loss considerable business.

I am then left with no choice but to find alternatives. From the upload dialog, I find that it accepts uploads in shapefile format (SHP). A SHP file is basically a vector file. Thus I must convert the KML to shapefile first. Now, how do I do it? I simply have no idea. There are a few converters that is available to convert KML to SHP bu tthey all fall short of expectation. In fact, I don't know that the Map Engine only accepts points (markers), lines and polygons. Thus all I get is lines and round dots for the markers after conversion.

An effort is thus done to find a vector editing file and one that could import KML files. QGIS appears in the search. I downloaded it and installed. On first run it pops up a dialog to define map projection definition.

I was dumbfound. What in the world is that? I simply have no idea as it is the first time I use a GIS (Geographic Information System) editor. I edited OpenStreetMap before and it is a web based one. It is just a graphic editing system which draw lines and polygons. It does not even require any definition and I have no idea what format it stores the data.

Searching internet, I finally found out what is it all about. I also find out what Google uses in its maps. It uses WGS64 format. For example a coordinate reference to a point in singapre is Lat 1.26503 Long 103.82193 (Vivo MRT). I have been using this in OSMAnd (Android Map app)  without even knowing it.

With the CRS set, I was then prompted to select a location. It showed the world map. Again I was intimidated. I cannot zoom into the map and select an area. The only way is to select from a list and Singapore is simply not in the list. It ended up I choose Malaysia and then add a bit of offset to it to ensure Singapore is covered.

The Application appeared after a long wait. It was a blank work space with a lot of toolbars and panels. Third time whammy. How to draw a line when you don't even know where to put it?

After looking at the menus I finally find an item called "Vector" in it there is a item called "OpenStreetMap". I thought that is it. So I click "Download data". After the data is downloaded, I am still looking at a blank screen. On searching internet again. I found out that I had to "Import topology from XML" then "Export topology to spatialLite". I don't know what in the world is that but followed faithfully to do three downloads for each type (line, point, polygon).

Well, it is not surprising that I get a blank area again. This time there are three items appearing on the left panel. I left click and find an item called "zoom to layer". A wire mess appeared with large patches of green. Finally I get something. On zooming in I can see Malaysia. Zooming in further, I finally get to see Singapore. It was covered with green and a huge mess of wires but at least I can recognize that it is Singapore roads and buildings. On playing further I managed to turned off the points and polygon thus leaving less clustered screen. Well it is not what I expected but it will do.

The next step is then to import the KML. That is pretty easy. There were instructions in the internet. So I imported the maps from my map. Finally I get to see my map and the not so nice base map of OSM.

The import looked ok except the Notes layer. It is just a bunch of circles. I managed to get the line layers to show its lines with a different color using styles. But struggled to define the Notes. There is no individual style setting. The Categorize style also don't allow selection of icons. I ended up choosing "rule based". I was tough trying to set the rules as I did not organize the Notes in the rules style. After a lot of trial and error, I managed to get it done. I am yet to use custom icons at this stage.

The next step is to load custom icons. It is again a challenge to do it. But via internet I managed to get it done with SVG icons. I learned SVG coding before thus it is easy for me to create the custom icons. In actual fact the icons in the first version of Google map was originally created using SVG.

It is the first time I feel that at least there is something familiar between QGIS and Google Map. The happiness was short lived. After I upload the vector maps into Map Engine. I get the same mess as when I converted the KML in QGIS. All the settings in QGIS is missing. There are also waning that some lines exceed the 50 vertex limit. I simply let go and take a break.

After thinking over whether to continue with the fiasco, I decided to push on. It is never my habit to give up so easily. I redo every style in Map Engine. It is yet another learning curve for me. When coming to style the Notes, I am faced with another challenge. There is no SVG icons. So I converted all the SVG again to PNG. But the conversion does not make the background transparent. At least I don't know how to do it in Inkscape (a SVG editor). Well that does not deter me. The graphic viewer in my computer has the ability to convert graphic formats. I simply use it to make GIF files with transparent backgrounds. It worked just fine. Now I have custom icons.

The next thing to do is to break the lines so that it is within the limits. Gosh! That is some thing I am yet again struck with unbelief. The layers simply cannot be edited. After a while I managed to toggle the editing feature. It is a safeguard system in QGIS. The next question is then how to break the lines into two. Even Map Engine does not have that feature. Well, at least I am lucky in this. There is a feature to break the lines. It is hard to use in the first time round but I managed to get it working.

On uploading to Map Engine, I discover that it does not replace the old resource. It simply creates another one. I really vomit blood on that. Map Engine is just not user friendly. I had to unpublish the old map, unpublish the old layer then unpublish the resource to remove the old one then reverse the process to add the new one. In the process the style gets lost. I almost utter the Fxxx word. Fortunately there is a "import rules from another layer" feature. I really heave a sign of relief. I am yet to try it on Notes but I am confident it can be done.

While I was trying out, a friend wrote to me about some errors in the PCN layer. It has some lines overlapping the Others layer. So I tried to edit it in QGIS. Well, that poses a problem. I just don't know how to edit besides deleting, moving the vertex (the joins in the line) and breaking the line. There is simply no facility to do that. Well, there is a plugin feature. So I tried to look at the long list of plugins and then I discover that Google has a plugin for QGIS. Wow! that is something. Unfortunately, I had to learn how to use it.

After a lot of trial and error again. I managed to make the connection. Now uploading to MapEngine is a wee bit easier. It is just 3 clicks away.Cool. The uncool part is that it still does not override the old uploads. Well, at least I can live with it.

Actually, that was not what I originally wanted to do when I look at the plugins. I get carried away. So, it is back to the search. I managed to get a few plugins that deals with editing. The first one is to join to features (lines). If I break it, I must be able to join it. The other one is to extend the line. It is not as easy as Map Engine editing where you click on a segment of a line and you can add a new vertex but at least I could combine the breaking, extending and joining to achieve what is just one simple step in Google. Hopefully I don't need to add a lot of vertexes.

Well, with all that,  I am at least able to use Map Engine to publish maps with custom icons and multiple layers just like the original map. It will be hard work but at least it can be done.

There was a little surprise I get when I tried to learn more about QGIS. I discovered that the base map can be loaded easily by the menu item "web". I never click on it as I though it might be some links to the internet. In actual fact, it can load a number of different base maps beside Google map. The previous attempt to load OpenStreetMap is simply for the wrong purpose. Well, I am dumbfound.

There is one more thing I had to do. You see, Map Engine pose a page loading limit per month. I had to get my map to be free of the limit by putting it in the Google Map Gallery. Some of my maps automatically gets published in there but not my Map Engine map. Fortunately, there is a link to do it in the map engine itself. So I just submit it by filling a form and in a day's time it was approved. Hopefully Google will remove such mundane limit in future. I do understand that Google need to make a profit. There are some idiots like me who simply want to contribute to the society free of charge. After all, I gets nothing from the work beside the "thanks" from users.

For a person who know nuts about GIS, the attempt is very foolish to some. To me it is just some challenge which I take on to do what I wanted to achieve. It may have a lot of fumbling and mistakes without proper training but since when I did proper training for most of the things I do before starting. My next blog will show you how many times I venture into something totally new without any training.

Latest update. Google Map Engine is no longer available. After all the hard work and it is no longer available in less than three months. Its really a waste of time and effort.

Bukit Timah to Caldecott

This is perhaps the longest hiking route I ever had. It is 18.7 KM according to Endomondo. I did not put this route in WikiLoc because it is just a combination of the previous hiking routes.

The route started at Bus Stop near Pei Wah Ave. The intention is to go all the way north to Jln Anak Bukit but was distracted by the construction at the junction thus ended up in Jln Jurong Kechil. I only realize the mistake after walking almost a kilometer down the road.

On Consulting the map, there seems to be a private estate that is accessible across the road to cut across it. I took the chance and went into it. Unfortunately, I made another wrong turn to the left instead of to the right and thus missed the road that goes into the estate. I end up going on the outskirt of the estate with an unmarked road and come to a dead end.

Looking at the map again, the Bukit Regency was right in front and the perimeter fence seemed to be accessible. I decided to walk around the Regency perimeter fence. A huge mistake. The clearing outside the fence ended after I walked a hundred meters. It was just grass covering the area beyond that. I decided foolishly to continue walking across as it is only a matter of two hundred meters more.

After bashing through the knee height grass and get my shoes and sock all wet due to the dew, I managed to reach Upper Bukit Timah Rd. It is a foolish move but is still enjoyable. Fortunately, there is no obstacles that I could not manage. The round about added about two kilometers to the hike.

The actual hike starts at Hindhede Dr. Spotted a bird right at the entrance of the trail. Waited 5 minutes for the bird to emerge from its nest but failed. The bird settled down in the nest. Disappointed but had to move on.

A while later a Male Black Archduke gracefully fly around me and settled down for me to take a picture. There are at least three different specie of Archdukes in Singapore. It is a bit hard to distinguish between them. The male is slightly easier to differentiate but the females were way too similar.

Further down the path there is a Pear-Shaped Leucage spider enjoying its meal.

A distance down the path and I caught sight of a Golden Orb Web Spider. The wind is continuously blowing thus the picture is quite blur.

After the Kampong Trail, the path goes into open fields. This portion is a wide cycling route. The Zanziba Yam is small but since it is so near, I could zoom in to the max.

An Orange Leafhopper (a kind of Cicada) popped on a leaf and I am obliged to take a picture of it.

After crossing Riffle Range Road I saw a Spotted Dracaena blooming. This plant flower previously took me a long time to find its name. It is the first time I saw the flower blooms. Notice the spotted leaves? That's where it gets its name from.

Further down the trail, I saw a Heart Leaf Ivy. Unfortunately there is no flower.

Dark Brand Bush Brown is small and is very common. It is kind of difficult to identify with many species that look alike. This one insists that I took a picture of it. It flew right in front of me and stopped at elbow level.

The Common Baron is easier to recognize.

On approaching Durian Trail, I made a mistake without looking at the map. I went into a wrong trail way ahead of the trail junction. I mistook the sign post to be at the junction of the loop. The trail lead to a dead end. Turning back, I went into yet another wrong trail. This time I am rewarded by spotting a Common Faun.

Further down I saw a female Archduke.

Female Archduke is very hard to recognize. The camera I had performs badly in dim light. The picture is very grainy thus making ID very much more difficult. According to information from internet, the Black Archduke has all black antenna. You can see from the picture that the antenna is no where to be seen as it is moving way too fast to be captured. The Common Archduke antenna is bright orange and the fourth row of the spots on the body is larger than the black Archduke. This one looks like it is a Common Archduke. However, another picture of it showed its color that looked much more brownish although its antenna looks orange. This is where the Yellow Archduke come into mind. The Yellow Archduke is dark brown in color and its antenna is yellow on the tip. It is very confusing. It ended up I decided to ID this as Yellow Archduke. But posting in FB group ended up with a member giving its name as Black Archduke. I am totally confused.

Meanwhile, I trekked back to the right trail again following strictly to the GPS map trail I plotted. Two mushroom was spotted. One is unknown the other is a Bracket Fungus.

A Common Five Ring flew near by and I took quite some time waiting for it to settle down.

Ypthima species also looked quite similar. They are identified by the rings on the lower wing. You can see that there are 6 rings here. Well, the last two is counted as one if the yellow ring merged. This was unknown to me till I saw a blog that describes how to spot this specie. Luckily, I had only one other picture of this specie previously but never get published because of the confusion I had between a five ring and a six ring.

After taking the picture of the Five Ring, I notice something moved near my shoe. It is a Many-lined Sun Skink. This lizard usually runs away quickly even before I approach. This one is perhaps still sleepy. Noticed that the angle of the shot is almost straight down?

There is nothing much to see along the Riffle Range Road. At the Riffle Range Link (which is actually a trail), I spotted another female Archduke. This one is quite worn out. It again looked like a Common Archduke with its antenna visibly orange despite the grainy picture. Again the antenna looked orange but not the "widely orange" as described. Moreover, the color of the wing is still brownish. I decided to iD it as Yellow Archduke again.

While walking and looking around, I walked right into yet another caterpillar hanging from a tall tree. I never expected it as the tree is way too tall. This is a Bagworm Moth caterpillar (Psychidae). There is no way to ID it as it does not come out of its home.

Before crossing over to Sime Track, I spotted a branch with pinkish fruit or flower bud. Could not ID it.

At the Golf Link trail, it started to rain. Nothing much of the wild life will be available if it rains. I spotted one bird far away resting on water weeds. This is most like a Great Egret since I zoomed in from the distance yet still able to capture a good large image of it.

Walked a long distance without seeing another wildlife due to the rain. Saw a tiny flowering plant close to the end of the golf course. This is a Curvedflower Chasalis. The flower is indeed curved near its receptacle.

At the Lorne Trail, a Malayan Viscount come out in the rain.

A very old Branded Imperial also appears.

Almost at the end of Lorne Trail I spot a blackish butterfly resting on a branch. Had to use flash in order to capture the image. This one is a Saturn.

A few Pacific Swallow were resting on the rails of the curved bridge probably finds nothing flying due to the rain.

I ended the trail at Caldecott MRT without having any luck of another picture.

Not many pictures are available thus I will omit the Picasa Web album address. Since I did not record the trail in WikiLoc, there is no trail maps available too.

Celebrity Endorsed Products

Each year companies spent billions getting celebrity to endorse their products. It is due to the fact that customers likes celebrities. Just by appearing next to the product automatically attracts eyes.

Ideally, when a celebrity endorses a product, it means that they have chosen the product for their quality or features. This applies especially to those who excel in their profession. Some of the endorsement means that they have to put on the product when doing their profession. Others simply took part in the ads for the product. Yet other simply allow their face and signature to appear next to the product ads.

In actual fact, most if not all celebrities endorse the product for money. As long as the company pay them, they will endorse anything. Thus the ideal remains ideal and has nothing to do about the product. If you do a search with this title and add "go bad", you will find tons of jokes about bad endorsement celebrities. Famous celebrities end up damaging their own image because of that.

One typical local celebrity endorses "Pawn shop". I would say that is a bad choice. Others like e-cigarette endorsement is simply a bad move. Are they encouraging smoking again? In the 50s celebrity endorse cigarettes and cigars. Many junk food company used celebrity to endorse their products yet we nowadays encourage eating healthy food.

As a consumer, if you buy products just because celebrities endorsed it, you may end up with a bad choice and probably wasted money on it. The best choice is to ignore the endorsements and compare the products. Choose which ever that suits you rather than what the celebrities says otherwise.