GeoHot :
One of the Greatest Computer Hackers


George Francis Hotz (born October 2, 1989), alias geohot, million75 or simply mil, is an American hacker known for unlocking the iPhone, allowing the phone to be used with other wireless carriers, contrary to AT&T and Apple's intent.
He became the first person to jailbreak anIphone. He is also noted for hacking the PlayStation 3 and subsequently being sued by and settling with Sony. On June 27, 2011, it was reported that Hotz had been hired by Facebook. However, according to a CNET article, he had actually been employed since May, which was confirmed by Facebook.
It is unknown what his role at the company was. In January 2012, Hotz stopped working at Facebook and is Now a Full-Time Hacker.