The app lets you edit and combine your clips with video clips from other users to create longer productions.
The new service lets you mash other peoples' videos in with your own clips, creating up to an hour's worth of edited magic.
A report suggests Kanye West is furious someone posted a video of his proposal to Kim Kardashian. That someone is said to be YouTube founder Chad Hurley, who posted 150 seconds to his new MixBit site.
Microsoft reveals more details about the Xbox One, YouTube's founders launch video app MixBit, and an '80s game gets hidden inside YouTube for Geek Week.