How to use Twitter for marketing and PR

In the absence of any great social networking or Web 3.0 developments since Facebook, Twitter has appeared and become the Next Big Thing even though (go on, admit it), you Don’t Really Get It. I don’t blame you for thinking this, because in the virtual world, something has to be the daddy, even if it doesn’t deserve it.
If, like me, you read blogs by advertising mavens, marketing gurus and the gods of PR, you will know that Twitter is a much-discussed topic. After much argument, the opinions of the hundreds of conversation igniters have been dissected, examined and finally distilled into what can be safely considered the consensus view. So here it is, the definitive answer to the question: “How do I use Twitter for marketing and PR?“