Actually, it was a few days ago, but I didn’t get around to posting until now.
Apple introduced over 100 new features in the new iPhone OS. It is said to be released Summer of 2009 (this summer of the time of posting)
Some of the features include:
-In App Purchases
-Peer to Peer (bluetooth connecting of two iphones/ipod touches)
-Landscape mode for Mail, MMS, SMS etc
and many more.