Online Advertising Update: A Review of Research Data Measuring the Growth and Effectiveness of Online Advertising in the US March 2002 .New York-based eMarketer is the leading provider of internet and e-business information for marketing professionals and other business executives. eMarketer aggregates, filters, organizes and analyzes data from over 800 research firms, consultancies, government agencies and other sources. Neither a research firm nor a consultancy, eMarketer has no testing technique to defend and no research bias. eMarketer information can be accessed in a variety of ways: s s s s s The eMarketer Daily: a free HTML newsletter that brings you the latest stats and relevant e-business.
