More than 100 hours of video are uploaded to YouTube each minute

"Today, more than 100 hours of video are uploaded to YouTube every minute. That’s more than four days of video uploaded each minute! Every month, more than 1 billion people come to YouTube to access news, answer questions and have a little fun. That’s almost one out of every two people on the Internet."
Source:  YouTube's blog, 19th May 2013
Earlier - 72 hours per minute reported in May 2012