Methodology.(Special Report: Top B-to-B Advertisers)(Brief Article)

In building the Top 100 B-to-B Advertisers 2002 rankings, BtoB used data from New York-based TNS Media Intelligence/CMR, a research company that tracks ad spending across a wide range of media. TNSMI tracks advertising expenditure numbers from b-to-b publications and consumer media, including TV, magazines, newspapers, radio, outdoor and Internet. Consumer media include some b-to-b advertising. BtoB analyzed this consumer media data by category. Final t