The latest YouTube craze is to take a common film or TV cliché or plot device and splice them together. Its a diverting way to highlight the many recurring scenes that we see in our media, the audio-visual grammar of our entertainment.
Via that video, I came across the massive time-sink that is tvtropes.org. I think a wiki-style project to create a YouTube video for every TVtrope listed would result in a fantastic media- and film-studies resource. A good use of our cognitive surplus, I reckon.
Tom Cruise, running.