Apple has just launched the latest version of their iOS for the iPhone and iPod Touch, and it is now available to download from iTunes.
Game Center - Experience social gaming on your iPhone. Find friends or use auto-match to play against new opponents. Track achievements, compare high scores and more.
iTunes Ping - Take advantage of new social discovery features in iTunes. Keep up with your friends’ music and follow your favourite artists.
HD Photography and video uploads - Take great photos that capture a wider range of light intensity using the new high dynamic range (HDR) setting on iPhone 4, which automatically combines multiple exposures into a single HDR image. Upload HD video to YouTube and MobileMe from your iPhone 4.