Nir Eyal writes, consults, and teaches about the intersection of psychology, technology, and business. Nir previously taught as a Lecturer in Marketing at the Stanford Graduate School of Business and the Hasso Plattner Institute of Design at Stanford. Nir co-founded and sold two tech companies since 2003 and was dubbed by The M.I.T. Technology Review as, 'The Prophet of Habit-Forming Technology.' Bloomberg Businessweek wrote, 'Nir Eyal is the habits guy. Want to understand how to get app users to come back again and again? Then Eyal is your man.'