Ajit Pai @AjitPai
OTD in 1982, @LTIatCMU @SCSatCMU Professor Scott Fahlman proposed the first known use of emoticons—specifically, a colon, hyphen, and close-parenthesis, meant to signify a joke. We know it now as a smiley. :-) 😀https://t.co/e5RDv6Es6S https://t.co/WtauGisfFd — PolitiTweet.org