http://mashable.com/2014/06/10/george-r-r-martin-joins-twitter/

The “Game of Thrones” honcho’s 1st tweet (https://twitter.com/GRRMspeaking) on Monday said: "I don't tweet all that much, please check out my live journal page (http://grrm.livejournal.com/). ;) #myfirstTweet."
Read more at http://www.hitfix.com/tv-tattle/3#LbQttBQzd2Hflq3i.99