GROU.PS is a social network platform that lets users create their own custom social networks. The company has acquired Social Project from MTV Networks. As part of the deal GROU.PS now owns the company and their users. MTV will keep the Flux social media publishing platform. The financial details of this deal were undisclosed. Social Project used to be known as Tagworld. MTV bought them out in 2008. GROU.PS has 5.5 million users and is used in about 160,000 global networks. [TechCrunch]