The new iPhone OS 3.0 firmware delivers MMS, Spotlight search and a new improved version of Mobile Safari, and of course the Find My iPhone feature which enabled an iPhoner to find lost or stolen phones via geo-location reports an article on ajc.
iPhone OS 3.0 also incorporates several new applications such as TomTom GPS navigation, downloadable text books, new games, and Zipcar rental car reservations.
iPhone OS 3.0 delivers a host of features that really should have been with the iPhone from the start, and at least brings features in line with other mobile phones which have had those features for years already.