We don't use it. As we already use another tool for instant messaging. But looks like there is: http://techcrunch.com/2015/11/20/facebook-at-work-gets-its-own-v

We don't use it. As we already use another tool for instant messaging. But looks like there is: http://techcrunch.com/2015/11/20/facebook-at-work-gets-its-own-version-of-messenger-with-debut-of-work-chat/ http://techcrunch.com/2015/11/20/facebook-at-work-gets-its-o...