Dropbox Rolls Out Desktop Microsoft Office Collaboration Tool in Early Access

First announced back in April, cloud sync-and-share pioneer Dropbox has rolled out Project Harmony, its collaboration plug-in for the desktop versions of Microsoft Office, in early access to Dropbox for Business customers. 
If you opt-in -- Dropbox is stressing the "early access" or still-in-development nature of the plug-in -- you get a Dropbox badge in your PowerPoint or Excel documents that lets you see who else is collaborating with you, see if there's a more recent version (and refresh