Today in history: Origin of the Emoticon :-)

Eighteen years ago today: this guy invented the emoticon, specifically the sideways smiley.
(WARNING: Lengthy parentheticals ahead.)
While the rest of us were preoccupied with the Cold War, Atari, PacMan, Michael Jackson, E.T., John W. Hinkley and Penn State Football (The Nittany Lions won the Fiesta Bowl and the NCAA Championship, and JoePa had been head coach [...]