“Bolade is one of the tens of thousands of young people who participate in Cash App Fridays, a social phenomenon-slash-corporate giveaway with a financial twist. Each week, Twitter and Instagram users log on en masse to fight for their share of a virtual jackpot, no entry fee or legwork needed. All they have to do is post their Cash App username and get lucky.” Inside Cash App Friday, the Weekly Phenomenon Where People Ask for Money on Twitter (and Get it).