For those who follow the intricacies of the competitive world of Apple device jailbreaking, it’s been a lively week. One team of hackers had the anticipated “greenpois0n” patch ready to release. Then, another experienced jailbreak provider beat them to the punch with “limera1n.” Users of iOS 4.1 were once again free to install non-Apple-authorized software on their phones and other gadgets — from 3GS to current models.