Apple WWDC 2012 keynote video is live now which was kicked off by Apple CEO Tim Cook on Monday, 11 June 2012 at 10 A.M PST. On first day of WWDC 2012 event Apple announced iOS 6, Mac OS X 10.8 Mountain Lio, new apps for iCould, MacBook Pro with Retina display, new Macbook Air.
Watch WWDC 2012 KeyNote and other Apple Special Events Videos at Source.
See also:
iOS 6 New Features
iOS 6 Beta Available for Developers
Apple Releases iTunes 10.6.3