Game theory explains why some content goes viral on Reddit Digg

Two game theorists have shown in a recent paper that it may not only be exposure that begets popularity.

Social influences in a network can boost new innovations up, as well as slow them down, depending on the network's structure.

Source:
http://arstechnica.com/science/news/2010/11/game-theory-explains-why-some-content-goes-viral-on-reddit-digg.ars