Our code: https://github.com/nhandao/PROD
---Inspiration: Evernote currently does not have revision control for notes (in free). It stores snapshots only every 4-5 hours in Premium/Business accounts, which means any changes in between are lost.
There is no way to see diffs between revisions of notes or to revert if users mess up their notes.
There is no activity tracking (how many notes the user creates, deletes, updates over a period of time, with timestamps which can be graphed and analysed further).
--Target user: Any Evernote user, disregard of account type.
--Key features: On the fly diff as changes as made Ability to revert to any previous version Full history of what activity is performed, and when