Yahoo on Wednesday announced that it has decided to close the Yahoo Publisher Network, the company's answer to Google AdSense. The Yahoo Publisher Network, an advertising platform enabling small Web publishers to place ads on their sites to drive revenue, will officially close on April 30. The service has been in beta testing since its launch nearly five years ago. In an e-mail sent to Publisher Network users, Yahoo said users of its service might want to consider moving to Chitika, another ad platform that the company says serves more than "2 billion monthly impressions across more than 80,000 Web sites." Chitika has posted a page to help Yahoo Publisher Network users join the service. Yahoo said the closure of the Publisher Network is a necessary step, as it moves to further focus on its own in-house ads.
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