Jupiter reports 70 percent increase in fourth quarter. Marketing executives of five of the biggest offline companies discuss the impact of the Internet on their strategies. What's up in digital marketing and advertising. Website lets users comment on ads as well as content. Impressions reach a high in fourth quarter 2000.
Ads drive traffic, but marketers have cut spending.
Web executivess vote for fewer ads to help viewers cut through the clutter. AOL Time Warner president says customer relationships drive revenue. Brand strategist Peter Sealey, co-creator of the Center for Marketing Technology at U.C. Berkeley, models his approach after business philosopher Peter Drucker.