Nudge of the day: camera-mirror combination that identifies maskless people. Installed at bus stops in Trabzon, Turkey. Mask-wearing is up, riders happy, no complaints. ⁦@CassSunstein⁩ ⁦@R_Thaler⁩ pic.twitter.com/ha3QYiQIIv

— Timur Kuran (@timurkuran) December 7, 2020