Apple’s unlockers- GeoHot
A genius guy
George Hotz is the author of blackra1n, an Apple jailbreaking tool. He also has a Youtube Channel. His twitter account has reached 101, 005 followers. From his tweets. He is currently working on 3.1.3 OS jailbreaking. On April 9,2010, he released the news that he has successfully jailbroken the iPad. Beside of the work on Apple’s products. He has also worked on PS3 jailbreaking tools. More update will be added when he can make a tool for iPhone4 IOS.