The site will be visually similar to Facebook, with a newsfeed and groups, but users will be able to keep their personal profile private. The launch of such a site would place Facebook in direct competition with professional social network LinkedIn and Google's range of online collaboration applications. “We are making work more fun and efficient by building an at-work version of Facebook,” a source told the technology website at the time. It is not known when the professional site will launch, but it will reportedly be free - at least initially. Get the full story at the Telegraph and The Washington Post and TechCrunch