Google Wave will be released to a select group today

A person at a large PR firm in Chicago recently told me that Google Wave will change public relations. He didn’t explain how, but he was sure of it. (No, the firm was not representing Google.) Well, this supposed game-changer will be released to 100,000 beta testers today. “The Web application … combines elements of e-mail, chat, Wiki documents, blogs and photo-sharing sites to create a form of Internet communication called a ‘hosted conversation,’ or a ‘wave,’&#…