Apple as a brand is renowned for highly sophisticated products that are stylish and luxurious. The brand maintains a strong marketing policy and it has a limited number of distributors. Hence, the curiosity factor is always maintained by Apple. The condition is similar with its latest offering that is iPhone 3GS. People are eager to find out why Apple launched 3GS when iPhone 3G is not very old. The fact is that the original iPhone is not a perfect phone in many respects, especially in the 3G arena. Moreover, the price is quite high and the availability of the phone is restricted also. Thus, Apple decided to come up with certain modifications and bring the iPhone 3GS in the market.If you go by the looks, there is no way that you can differentiate between the two handsets, which are the iPhone 3G and 3GS. Even the dimensions are also similar between these two mobile phones. The 3GS measurement is 115.5 x 62.1 x 12.3 mm and it weighs 135 grams. The display highlights are all the same with 3.5 inches touch screen, which is TFT capacitive boasting 16 million colours and 320 x 480 pixels resolution. Scratch free surface of the screen makes it simple for the users to handle the phone.All these features of the Apple iPhone 3GS is similar to that of the orignal iPhone, then what is the difference? The difference lies in speed! Yes, the “S” in 3GS is for speed. You will get the idea of iPhone3GS’s speed at the time of booting itself. Whatever you work on, no matter which application you open; everything gets done in a speedy manner. Both the versions of iPhone run on 3.0 software but the original iPhone uses 400MHz and 128MB while iPhone 3GS uses 600MHz CPU with 256MB RAM.Among the other features, the 3Gs includes a 3 mega pixel camera with touch focus, auto focus and geo tagging facilities. It can record video at VGA at 30fps and video geo tagging is also available. Audio/video player provides quite attractive music and video playback to the users. Digital compass and Google maps are also featured in the device.Apple iPhone 3GS is definitely updated in terms of speed and that makes a big difference. No matter which application or software you run, you will be amazed with the speed of accessibility and performance. iPhone3GS rocks!