[ad:tech NY booth #1711] -- Adap.tv (www.adap.tv), creators of OneSource, the open and universal video ad serving platform that helps publishers manage ads in their online video content, announced today that they have become the first dedicated video ad serving platform to earn ad measurement certification by the Interactive Advertising Bureau (IAB), joining the ranks of other leading display ad servers such as DoubleClick's DART, Atlas AdManager, and Yahoo! APT.