we should never lose posts due to expired cookies, loss of connection, inadvertent navigation, plugin or core errors on save, browser crashes, OS crashes, cats walking on keyboards, children drooling in keyboards, etc. I want people to trust WordPress with their posts. “ -‐‑ Mark Jaquith
• Autosaves don’t overwrite the actual post. Saved as a special type of revision. • When you go back to edit the post, WP gives you a warning telling you that it has a backup of your post. • Autosaves are clearly marked.
Preview - Preview the current state of the post that's being edited. • Take Over - Lock out the current editor of the post and begin editing. (The other user will receive a notification). • The user that has been locked out receives the following dialog, and is no longer able to edit the post.