In a world full of official-sounding initials, CPA stands out for its amalgamation of third-party metrics into a single data set; CPA’s info pulls together numbers from Nielsen units including Catalina Solutions, Buyer Insights, MotorStats, MRI Fusion, Brand Effects and Cambridge Media Demand Landscape. There’s also some proprietary data on ad effectiveness done out of CBS’s studio complex Television City, but the message here is pretty clear: CBS is in the traditional TV biz to stay.