May 3, 2013
6 billion — yes, billion — which is the number of hours of video YouTube users watch each and every month. From the YouTube blog:
We recently announced that YouTube hit an incredible milestone of 1 billion unique monthly visitors, connecting 15 percent of the planet to the videos they love. And those global fan communities are watching more than 6 billion hours of video each month on YouTube; almost an hour a month for every person on Earth and 50 percent more this year than last.