Judson Brewer— This is where the magic happens. Once behavior and reward are paired, the dopamine neurons change their phasic firing pattern to respond to stimuli that predict rewards. Enter the trigger into the scene of reward-based learning. We see someone smoking a cigarette, and we suddenly get a craving.
Edward Castronova— Three years ago, the digerati were abuzz about the idea of a “real” virtual currency. That turned out not to be the killer app. We still face the full disintermediation of the finance industry, but it’s being driven not by digital currencies but by digital wallets. What’s the