"But here are the best new educational features, in my opinion: Google Hangouts now offer screen-sharing, a sketchpad, and integration with Google Docs. That means that as you collaborate with others, you can view each other's desktops, you can view and edit documents together, you can scribble and share notes."
"...a 13-minute YouTube video not only explains the process of bringing a new beer to life, it also shows how several Google products were used to do so, including Google Sites, Moderator, Hangouts, Docs, and Apps."
Backwash effect of running a MOOC leads a Harvard academic to revises his FTF classes - less lectures more 'flipped'. Not sure what the comment about Google hangouts is about.