Are you an avid YouTube user? Want to help test out a bunch of really neat upcoming ideas for the world’s biggest video site? Then you’ll want to check out TestTube – what the YouTube folks call an “Idea Incubator” for their services.
There’s caption editors, comment searching, 3D Videos and a whole slew of experimental YouTube stuff to mess around with.
Check it out at: http://www.youtube.com/testtube