New features include:
The ability to send a single text message to multiple peopleIt's all pretty cool.
Google Maps can now pinpoint your location using cell tower triangulation
Google Maps can now display the Hybrid map view (a combination of the regular map and satellite)
You can now arrange icons on your home screen
You can now add web bookmarks to your home screen in the form of icons
The home screen supports pagination (meaning it has multiple pages now to accommodate the additional icons you may add)