A strange little side quest
The mechanics around Purple Butterfly Dress up have roots that stretch far beyond modern browsers. In 18th-century America, upper-class men as well as women wore make-up, a reminder that beauty customs have never been as fixed as they can seem. A second detail makes the picture even better: Pong was field-tested in California bars in 1972 and helped launch the modern arcade-game era. Not bad for a few facts hiding behind a Play button.