Stamped is a new recommendation sharing service that lets users place their stamp of approval on their favorite places and things and share those recommendations with their friends (intro video). Stamped is currently available for iPhone.
Stamped is a new platform for friends to share only what they like best — restaurants, books, movies, music and more. Everyone gets a limited number of stamps to start, and can earn more if their friends like what they recommend. The result is a new source of quality information that is curated by trusted friends as opposed to large anonymous crowds.