[I moved to EPFL in December 2016, so this website isn't updated any longer. My new website lives at http://dlab.epfl.ch/people/west/.] Hi, I'm Robert West, but you can call me Bob, or His Bobness, or Bobber, or El Boberino if you're not into the whole brevity thing. My research aims to understand, predict, and enhance human behavior in social and information networks by developing techniques in d