Steve Jobs is back! Although he’s looking very thin, we’re happy that the Apple CEO is back in action. At the recent Apple Rock and Roll event, he announced the iPhone OS 3.1 update.

I tried updating my iPhone 3.1 and here are the new features of the update:

• Genius recommendations for Applications
• iTunes 9 support
• Save video from Mail and MMS into Camera Roll
• Better iPhone 3G Wi-Fi performance when Bluetooth is turned on
• Improved Exchange calendar syncing and invitation handling
• Option to use Home button to turn on Accessibility features

[Link]