Following local search /  yellow pages search for quite some time now and it’s not a new idea that Superpages is selling PPC Advertising on Google AdWords because it has no inventory left - but I had not heard it actually was happening till now.

Unable to keep up demand for inventory on its own site, Verizon’s SuperPages.com has reached an agreement with Google to sell AdWords pay-per-click advertising to its Internet yellow pages advertisers, reports ClickZ. The deal allows SuperPages to maintain its relationships with advertisers if, or until, it’s able to create inventory; it has also hinted that it might establish similar deals with other search engines.

Link from MarketingVox