It's the holy grail. Just this week a client asked me, "What makes a video go viral? Everyone wants to know the shortcut to a super-popular video. Heck, I want to know myself. One company that probably has a better idea than most is Visible Measures, a company whose business it is to measure viral video. They have a case study or two that you can read to give you a more scientific view of how stuff goes viral. I think that the key is to be remarkable, emotional, or very funny. You have to move people to say, read more...