But, unlike many web applications, it does not require registration, either. Simply click “Create a Pad” on the homepage and you will open a new editing session. You can then copy and send the URL of the session to anyone you want to invite. By opening the link, they join in the editing.
Each person can write simultaneously and the text is updated in real time. And each person is assigned a different highlight color so it is easy to see who has typed what.
Just wondering if this application would work for storyboard/SME content development? I'll let you know how it goes...
Check it out: http://etherpad.com/