Update – After some years the list was kind of outdated, here are some additional applications that I have recently used the most: Facebook LinkedIn TweetDeck (will so be Tweetie instead) Air Mouse (wireless mouse pad app) EyeTV (TV app) DropBox (access files everywhere) Remote (iTunes Remote app) WordPress (access your wordpress site) Jamie Oliver (cooking app) top-10-iphone-3g-applications/" class="more-link">More >