This reminds me of Dropbox Harmony for its business users. https://blogs.dropbox.com/business/tag/project-harmony/ https://blogs.dropbox.com/business/tag/projec

This reminds me of Dropbox Harmony for its business users. https://blogs.dropbox.com/business/tag/project-harmony/ https://blogs.dropbox.com/business/tag/project-harmony/ Basically, every MS Office folder in your dropbox gets a chat box. Everyone on the team who has that file open can chat with each other and edit the document together.