It was this talk: http://events.cornell.edu/event/orie_colloquium_yaron_singer_google_-_incentives_algorithms_and_networks_mechanism_design_in_the_era_of_the_s

It was this talk: http://events.cornell.edu/event/orie_colloquium_yaron_singer_google_-_incentives_algorithms_and_networks_mechanism_design_in_the_era_of_the_social_web http://events.cornell.edu/event/orie_colloquium_yaron_singer...