Web's ubiquitous ‘colon-hyphen-parenthesis’ celebrates a milestone
PITTSBURGH - It was a serious contribution to the electronic lexicon.
Twenty-five years ago, Carnegie Mellon University professor Scott E. Fahlman says, he was the first to use three keystrokes — a colon followed by a hyphen and a parenthesis — as a horizontal "smiley face" in a computer message.............
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