Washingtonpost.com is the first major news site to begin integrating advertising into its RSS feeds, in what is a sign of more direct competition between mainstream news organizations and search engines (and blogs) for new media dollars, AdAge reports (via MediaBuyerPlanner). MSNBC TV's The Situation with Tucker Carlson is the Post's first RSS advertiser.

RSS advertisements began as text ads and to a large extent remain so, but HTML ads are now also being used. Yahoo and Google offer ad-supported RSS feeds, and Pheedo has created RSS advertising networks that companies such as American Express, Continental Airlines and Verizon use.