After a number of rumors and gossip, the long awaited next gen iPhone 3G has finally launched with an “S” suffixed to its name which, they say, signifies its increased Speed. Apple unveiled the iPhone 3GS at Worldwide Developers Conference on June 8th, 2009 ago. Digging out the rumors provide a clue that Apple is using a new chip to crank up the performance. Now some questions arise: What makes it so fast?...