Opinion: To Tweet or Not to Tweet? Does Twitter Worthwhile for Self-published Authors?

I’ve heard varied reports on using Twitter to promote books. Is Anna’s process the best to follow? How do you use Twitter?

Swedish indie author Anna Belfrage reports on her trial to see whether Twitter can sell self-published books and queries whether the return justifies the

Source: Opinion: To Tweet or Not to Tweet? Does Twitter Worthwhile for Self-published Authors?