This is a great new feature. How many times have you accidentally closed your browser or navigated away and lost your post? We now have two safeguards against that. First, there is the autosave, and second there is the confirmation dialog. To see it in action, begin typing a message and then hit the back arrow on your browser. I just did it. It works great. And I just saw the autosave notification. Of course, that shows how slowling I'm typing. Part of the reason is that I've been coding for three days non-stop and that wears out a 52 year old brain, but the other reason is these sentences are rather long and it would take a speed typist half a year just to keep up without the autosave going off for the third time in this one post! Uh ... well ... you know what I mean!