
The iPhone 4 is a sleek, satisfying, and compelling device that keeps Apple strongly competitive in an increasingly crowded marketplace.
With the 4th generation of the Touch, Apple's best iPod keeps getting better. New features, such as an HD camcorder, Facetime video calls, a higher-resolution display, and the iPhone's A4 processor, redefine our expectations for portable media players.
I want to intoduce you to the co-founder of Facebook, one of the famous social network in the world.