Do you ever feel an almost compulsive need to check your Facebook? Refresh your Twitter? Do you ever wonder why at the store, you're a "customer," but online, you're a "user"? See how the science of operant conditioning is being used on you by Facebook, Farmville, and WOW. Presented at Ignite Salt Lake, August 31, 2011 at the State Room in Salt Lake City, Utah: http://youtu.be/Ek3dDL0l8MA