WWDC 2011 - here's everything you need to know about iOS 5, iCloud and Mac OS X Lion

WWDC 2011 took place last night and we saw for the first time what the new iOS 5 looks like with its notification system, iMessages plus the other over 200 interesting functions implemented in it. Mac OS X Lion brings over 250 new features and will be available for just $29. iCloud will be free for everyone, but through iTunes Match, Apple brings the possibility of entering into legality with pirated music, because for $25 a year, you exchange pirated music from your computer with DRM-free music from iTunes. Here's everything you need to know about last night's presentation: