At a Writers Meeting in April 2014 author Mark Wayne McGuinness said that he was "not a big advocate for social media as a way of selling books." It was "a very large time consumer for little pay-off". Do you agree?
Probably a gross exaggeration, but if you have a link to your friends why not use it? As for me, I've an article coming out shortly in the American journal "The Watsonian" - a brilliant read for anyone interested in the Doctor's doings.