Draftback

Draftback lets you play back the revision history of any Google Doc you can edit. It's like going back in time to look over your own shoulder as you write.

PRIVACY POLICY

I designed the extension to be as careful as possible about user privacy. No data is collected by me, except in one unusual case: if a user explicitly decides to publish an excerpt of their playback to draftback.com, that excerpt will (obviously) be available on the public web at an obscure URL. This feature is hard to find, little-used, and after a recent update may in fact not work anymore.

It's possible that Google itself collects some user data on every one of its extensions, in which case Draftback wouldn't be an exception.

But, to reiterate, user data is stored locally on the user's computer and it is only stored/collected there so that future replays of an already-replayed document will go faster.

OTHER NOTES

• With Draftback, your data is kept entirely private. Draftback was purposely designed so that you could play back your own docs without having to share them with a third party. This is -your- data; Draftback just lets you see it in a new way.

• Draftback only needs access to docs.google.com to get the revision data for playback—but that data never leaves your own browser.