https://www.theregister.co.uk/2019/04/12/motion_detectors_say_hello_wave_goodbye_and_flushhhhhh/

Something for the Weekend, Sir? How did Ernest Hemingway get his scar?

Come on, everyone loves a quiz. Bored stay-at-homes play them. Pubs boost their weekday profits with them. Facebook influences the voting patterns of the feeble-minded with them.