they've dedicated an entire page to it. Here are must some of the more interesting stats.
1) 35 hours of video footage is uploaded to the site every minute. A staggering amount to be sure.
2) Over 13 million hours of footage was uploaded in 2010. I guess it's safe to say that no one watched it all.
3) More video is uploaded every 60 days than the three major US television networks produced in 60 years.
4) Each week, YouTube receives the equivalent of 115,000 full-length feature films in uploads.