A strange little side quest
Zoom out from Christmas Dentist for a moment and the timeline gets surprisingly deep. By the 1890s, department stores and mail-order catalogs were selling mass-produced ready-to-wear clothes in standardized styles and price ranges. The same trail leads to another fact: Spacewar! appeared on MIT's PDP-1 in 1962 and became one of the earliest influential computer games shared among programmers. Not bad for a few facts hiding behind a Play button.