How to make a viral video

People share for two major reasons: “a) they altruistically want to share the enjoyment of that video with others or b) they selfishly want to be seen sharing or critiquing that video.”

HuffPo co-founder explains the secrets of viral content

Jonah Peretti, who co-founded both the Huffington Post and BuzzFeed, has spent a lot of time thinking about what makes content go viral. Today, he shared some lessons on-stage at the Web 2.0 Expo in San Francisco — and in the process, offered some thoughts on the difference between how Google and Facebook look at the world.