John Battelle's Search Blog Updated: Exclusive: A Look at Google Ad Planner Data Vs. Comscore
When Google Ad Planner came out back in June, I immediately thought of Comscore - and I was not alone. Many in the marketing industry thought that Google's product would be a "Comscore killer," and when I noted as much in my coverage, Gian Fulgoni, Comscore's chair, shot back...
Source: battellemedia.com