Does a Small Business Need to Tweet?

Does a Small Business Need to Tweet?: "Many small business owners look at me sideways when I suggest exploring Twitter as a marketing channel. They know what Twitter is, and they get the concept, but many don’t interact with it personally. Plus, they rightly recognize that it can be a whole lot of work for uncertain gain. (Worse, they suspect no one is on twitter except consultants trying to prove how smart they are, which isn’t completely false.)"