“The enterprise social network space is still a crowded one, but Facebook brings a few truly unique attributes to the market, including having the world’s largest network of pre-registered users to better support external collaboration, as well as the most potent network effect in the social networking space,” says Dion Hinchcliffe, chief strategy officer at Adjuvi LLC and co-author of the book, Social Business by Design. By virtue of its popularity, a work version of Facebook would have a decent shot at success, Hinchliffe says. “I believe Facebook at Work has a good chance to become a new de facto collaboration channel, as long as they make it low-barrier enough to start using, offer the most straightforward path to business utility, while addressing the top concerns of companies, which will be privacy and security. ..

http://techcrunch.com/2015/01/14/facebook-where-the-enterprise-reacts-to-facebook-at-work/