YouTube has been a great hit ever since its launch and its popularity is increasing day by day. In 2007, six hours of videos were being uploaded on YouTube every minute, then it reached 24 hours, then 35, then 48 and now they have finally reached 60 hours. In other words you can say that one hour of videos is being uploaded on YouTube every second.
YouTube has also reached four billion views each day, that’s a big number, that’s the amount of US $1 bills in circulation. YouTube made a video showing what happens on YouTube in one second:
They also made an interactive site describing a ‘YouTube second’. Its onehourpersecond.com.
Source: Official YouTube Blog