Have you ever been working in a Google Doc, Google Sheet, or Google Slide, maybe collaborating with another co-worker, and changes were made to your document that you didn't want to have happen? 

The document autosaved and you can't go back! Oh No! 

This video shows you the revisions feature in all GSuite / Google Drive Documents. 

You can go back and see all of your previous document versions and restore them It's an amazing productivity tool for Small Business Teams.