In the four years since Sony's PlayStation 3 has been with us, it's never been hacked to play pirated games--until now, that is, if claims by hacker group PSJailbreak prove true.

Hot on the heels of the U.S. Copyright office declaring jailbreaking smartphones legal, a new web-based iOS jailbreak tool has surfaced. The new tool makes the jailbreaking process leaps and bounds simpler than past PC-based tools.

US copyright law was modified on Monday to make it legal to hack smartphones such as iPhones to switch telecom service providers or install applications without Apple's approval.

Apple doesn't want you to use them, but the following 21 apps today run only on jailbroken iPhones.

Late last week, an Australian hacker dubbed ikee deployed the Rickrolling worm - a harmless and humorous worm that installs a picture of 80s one hit wonder Rick Astley to affected users' home screens. Rickrolling serves not so much as malware but as a warning to jailbreak users who have installed SSH in order to gain root access to their iPhone's file system from the internet but have neglected to change the default password, even though not doing so is clearly warned against in the installation documentation.