3.6 Scarcity & Impatience

This is the drive of wanting something because you can’t have it. Many games have Appointment Dynamics (come back 2 hours later to get your reward) – the fact that people can’t get something right now motivates them to think about it all day long. This is the Core Drive utilized by Facebook when it first started: at first it was just for Harvard. Then it opened up to a few other prestigious schools, and eventually all colleges. When it finally opened up to everyone, many people wanted to join because they previously couldn’t get in it.