IT was 20 years ago this week that a young IBM researcher taught the Internet how to smile.
Scott Fahlman typed the now famous :-) in an online message and a whole new language was born.
The "smiley face" has since become a staple of online communication, allowing 12-year-old girls and corporate lawyers alike to punctuate their messages with a quick symbol that says, "hey, I'm only joking."
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