Percentage of U.S. album sales represented by classical music : 2.5

Of U.S. music streams : 0.7

Amount spent globally on virtual goods within video games last year : $93,000,000,000

Factor by which an American aged 8 to 12 is more likely to want to be a YouTuber or vlogger than to be an astronaut : 3

Percentage of U.S. heterosexual couples who met in 2017 who did so via
a dating app : 38

Of homosexual couples : 65

Estimated percentage decline from 1982 to…