Current statistics now say YouTube takes up 10% of all net traffic. One could argue that it was inevitable that video would be one of the primary media components of the net. Now that speeds and technology have reached a point where reliable video can be seen online, it’s going to start gobbling up the bandwidth.
So along with spam, which current estimates are around 80% of all mail traffic, videos posted by millions of people doing things they think are video-worthy is clogging up the pipes. Stop the insanity!