Wondering about that last change you made to a Google Doc? It's possible to look up the revision history, but Draftback makes it a breeze, essentially playing back all your changes for you, keystroke by keystroke. Here's how. You can even make the playback public to play on a site, showing the whole writing process.
Ideas for use reviewing Student Google Docs shared with you with edit rights:
Draftback lets you play back the revision history of any Google Doc you have edit rights to. It's like going back in time to look over your student's shoulder as they write.