I'd suggest this tool (http://ben.balter.com/2015/02/06/word-diff/ http://ben.balter.com/2015/02/06/word-diff/) my colleague (@benbalter) made to collaborate on

I'd suggest this tool (http://ben.balter.com/2015/02/06/word-diff/ http://ben.balter.com/2015/02/06/word-diff/) my colleague (@benbalter) made to collaborate on Word docs using GitHub.