John Battelle on Adplanner vs Comscore

John Battelle has put together a great article about the new Google Tool, Ad Planner vs Comscore. In the article John talks with represntives from both Google and Comscore. Talking about the difference in data. See below for a small snippet:

“ 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 in a comment to my post……“

Read the full article here.