In general I try to limit my time on Twitter - but there was one time where I got something out of it. Once I was following the author of one of my favorite p

In general I try to limit my time on Twitter - but there was one time where I got something out of it. Once I was following the author of one of my favorite programming books, and he announced he was giving away from copies of his latest one. I won, and he mailed it to me, and even autographed it.