If you use Google+ Hangout, you can now play board and card games during your video chat by using the Anywhere Board Games Hangout App. Kick off ABG in a Google+ Hangout using the following button:
It's in beta and we're still figuring out the idiosyncrasies of the Hangout API (and one hint: use CTRL -/+ to fit a board game into your screen). It is open source (go to http://www.anywhereboardgames.com to get the source, report a bug, and more information).
