Leaked Facebook memo reveals "psychological trick" developed to entice high-school students to sign on

In October 2017, Facebook bought the startup TBH, whose product was an enormously successful polling app aimed at high-school students; as part of TBH's integration into the company, they circulated memos detailing the "psychological trick" they developed to maximize their penetration into high-schools and suggested ways this could be adapted for use by Facebook itself. (more")