Engadget posted a story that Microsoft has unleashed Socl into beta for all comers to probe

We first heard about the project back in July when it was dubbed Tulalip, and MS Research's Fuse Labs officially launched it internally and into some universities back in October last year. The site carries the Windows 8 tile-like look, and Fuse says that imagery is emphasized over "blue links" for search, helping democratize the site "even for people who speak different languages."

  Microsoft launches Socl into Beta, brings the part(ies) to social networking