Not all YouTube videos are made equal. Some languish in obscurity, while a tiny percentage rack up millions of hits. If you've ever wondered why that is, this explanation by Kevin Allocca, YouTube's trends manager, is well worth watching.
There's a new Google/YouTube thing out there to help make these dark days of nothingness pass a little quicker, in the form of YouTube Slam. It's a sort of 'Hot or Not?' for potential viral video clips.