kind of cool, but the data disappears with the tab.

You can add some js magic to save data to the URL and it will remain in the browser's history. Check a post I wrote about it: http://dfernandez.me/articles/3%20-%20drawing%20bookmarklet/

1. we've seen this way too many times before.

2. you can't even _spell_ "browser".

3. there are lots of existing apps that will local-storage save the contents of your note.

-bowerbird

point #2 should have had a smiley attached to it.

-bowerbird