NEW YORK (AdAge.com) -- As media advertising slides, the recession gains steam and the stock market gyrates wildly, some iconic media names trading in near funny-money territory.
NEW YORK (AdAge.com) -- As media advertising slides, the recession gains steam and the stock market gyrates wildly, some iconic media names trading in near funny-money territory.
Definitions and details on everything from impression to conversion, with all the ratings, working and non-working media in between.