摘要：New communications media have had a huge impact on the practice of public relations since the first weblogs, or blogs, appeared more than a dozen years ago. Since then these new communications media have developed into a number of different forms including text, images, audio and video through the development of forums, message boards, photo sharing, podcasts RSS (really simple syndication), search engine marketing, video sharing, Wikis, social networks, professional networks and micro-blogging sites.
