• ClickZ, Tuesday, November 8, 2005 1:30 PM

FeedBurner, a management firm for RSS feeds, launched an RSS advertising network on Monday, while Feedster, a purveyor of another RSS ad network, announced a function that lets publishers join the network on their own, ClickZ reports. Both Feedster and Feedburner allows advertisers to buy ad space on RSS readers in categories like technology, business, current events, and entertainment. Feedburner's subscriber base has reached 150,000, most of which are subscribers to the business category. Ads are being sold on a CPM basis, priced at between $4 to $7 per-thousand impressions. Creative is limited to 190 characters, or around four lines of text. The company said it is looking into graphical ads for the future. RSS, or really simple syndication, is a piece of XML code (called a feed) from a publisher that is downloaded to a desktop or Web-based RSS reader, which constantly updates content from the source. A user can subscribe to several different feeds to receive content throughout the day.

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