It is a long time since we have heard of Geohot who had announced their intention to busy themselves with the PS3. It however makes a small return with a photograph and a short text.
(http://i30.tinypic.com/29vcxev.jpg)
Jailbreaking the iPhone 4 is within reach. Obviously a weakness has been found, and the tools soon will be released to be able to free up the device.