Carnegie Mellon celebrates 25th anniversary of 'smiley face'
Pittsburgh Post-Gazette: Fahlman posted the emoticon in a message to an online electronic bulletin board at 11:44 a.m. on Sept. 19, 1982, during a discussion about the limits of online humor and how to denote comments meant to be taken lightly. “I propose the following character sequence for joke markers: :-),” wrote Fahlman. “Read it…