Everything Twitter

Seriously, everything you need to know to get started...All You Need To Know About Twitter

And why? Well, that's more complex. It can be a terrific time waster. Or it can be a way to develop relationships. Only you can say if it is worth the time to you. But, what if editors and publishers were on there (which they are) and you could read about their thoughts? I have yet to see one announce a nice new book ready for an indexer, but it is one way into communication that is easier than cold calling.