Internet psychologist Graham Jones has written another hard-hitting post about Twitter. He points out the pitfalls of doing too much with social networking sites and not enough with plain e-mailing for business.
Ed. I think that quote speaks volumes. He could though use a Twitter client called Tweetlater. Tweetlater sends "tweets" at regular intervals. The downside to tweets is they are limited to 140 characters. Too short, in my view for an effective message.