Late one night in 2010 after the annual Google Zeitgeist conference had wrapped up, psychologist Martin Seligman, a featured speaker that year, found himself in a huddle with some of the biggest names in technology. Google had just broken ground using search-engine queries to monitor the spread of influenza in the U.S., and Google Maps was taking the world by storm. The potential applications for such tools seemed limitless, so Seligman, a founding father of positive psychology, and Google co-founder Larry Page, among others, began to explore the possibilities.