Trakt.tv - Automatically track TV shows & movies you're watching.
TeeVee - Your TV show guru - track what you watch
PlayDate - World's first pet camera in a smart ball
SERIST - Your personal TV show tracker
TV That Rocks - Track, discover & build collections of your fav TV Shows
Letterboxd - Letterboxd is a social site for sharing your taste in film, now in public beta.