An author's tweet has gone viral on Twitter after she revealed that she became a published author at the age of 83. Mary V. Macauley, who has now published two books, revealed that not long ago, she didn't know how to send an email. Now she's a published author. She tweeted: "I am now a published author at 83. Not too long ago, I couldn’t even send an email. Very proud of myself!" Her tweet received massive support, with almost 32K likes. She returned to Twitter hours later to thank fans for their support.