"A collaborative music/spoken word project." A collection of YouTube videos of people playing various instruments all in the B-flat key. Start and stop and fade them each in any way at any time. This is awesome.
TechCruch: The Secret Strategies Behind Many “Viral” Videos
The head of a company that makes videos go viral explains exactly how it's done. The commenters go crazy. Very interesting in the specific sense, but even more so in the overall evolution of media.