Podcast Ad Networks Launch: Kiptronic and Podtrac are now open for business. Podtrac highlights its third-party audience measurement service and its ability to sell individually as well by category; CEO Mark McCrery told ClickZ the company has signed “hundreds of top-ranked podcasts.” Meanwhile, the Kiptronic Podcast Marketplace has an auction-based model; advertisers can target by geography or keyword. Ads are inserted Kiptronic’s dynamically at the point of download.

—Audible Wordcast Debuts: Wordcast Pro is billed as “the only service that enables you to count actual, bona-fide subscribers.” No storage or bandwidth feees; activation is $50 per podcast; 24/7 sub management runs $.02 per sub per episode; dynamic ad delivery is $.00333 per insertion,per download. Charging subscription fees requires a pro account. Radio’s Moves: Clear Channel is creating unique podcasts,shows : ClearChannel internet head Evan Harrison describes the company’s podcast and internet strategy in a brief podcast interview with BW’s Heather Green. The premise: “We—radio—create content every single day and our listeners might enjoy having access to that content.”

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