Los Angeles-based Fliptu, the social media promotion startup headed by Jeremy Gocke, says it has started to line up a significant number of artists, bands, celebrities, and lifestyle brands for its service today. The service--which is still in beta--said it has added 50 high profile artists, brands, celebrities, and lifestyle brands reaching over 75 million fans and followers. Names and details of those customers were not announced, but a number are via a relationship Fliptu has with talent agency ICM Partners. Fliptu's service helps brands manage their social networking activity, providing a central place for fans to access content about their favorite artists, celebrities, and others. Fliptu's founders are Jeremy Gocke and Doug Deluca, who is co-executive producer of Jimmy Kimmel Live. Fliptu's angel backers include Kelly Perdew, Sugarmaker Media, and others.