Report: Facebook's Working on a New "Facebook at Work" Site [Gizmodo]

We already have Facebook at work; Facebook for work might be a useful option, however

"The newspaper reports that the site will look very much like the Facebook you know and love, whilst competing with—gulp—LinkedIn Corp. The idea is that the site will allow you to chat with colleagues, connect with professional contacts and even collaborate, by working on documents and sharing files.
It's not the first time that there's been rumor of a Facebook for work. Earlier this year, TechCrunch reported that the company was working on a project called FB@Work—a system that "could be used in place of email or IM" to chat to colleagues. The site described by the Financial Times report clearly goes a little further."

Report: Facebook's Working on a New "Facebook at Work" Site