Multitasking
Now you can run your favorite third-party apps — and switch between them instantly without slowing down the performance of the foreground app or draining the battery unnecessarily. This smarter approach to multitasking is available only in iOS 4.
Using IPhone Voice Control
Voice Control is a feature available on the iPhone 3GS that allows users to speak to their iPhones and have the iPhones speak back. The feature works with both the iPod and phone apps of the iPhone 3GS.
Amazon Kindle
I want to explain the Amazon Kindle. Just click this link to know what is Amazon Kindle.
Glofiish M700
First Sliding Keyboard Pocket PC Phone to Offer Both Wi-Fi and GPS. Clik this link to view this article..
How to Play IPhone Games
With all of the wonders that the iPhone has brought into the world one can only imagine the possibilities of games that are present with it. With this pocket computer there is so much that you can do. Allowing you to text and access the Internet and do all of your business needs from the palm of your hand is just the start. IPhone games are a great way to play.

