Lorraine Calvacca ("Making a Case for the Glossies," Media Channels, p. 36) is the features editor at Folio: magazine.
Adrienne W. Fawcett ("Got Books?," What Works, p. 48) writes about marketing and business trends from Pennington, New Jersey. Her articles have appeared in Advertising Age, Business Marketing, the Chicago Tribune and other publications.
DataDog Robert P. Libbon (p. 28) welcomes questions that require an intellectual as well as Internet pursuit. He is the author of Byte Me! Personal Computing for the Terminally Frustrated! Send queries to email@example.com and please use Dear Data Dog in the subject line.
Norman H. Nie (Zeitgeist, p. 50) is director of the Stanford Institute for the Quantitative Study of Society, and chairman and cofounder of InterSurvey and SPSS. He is the author of numerous books, including Education and Democratic Citizenship in America, winner of the 1996 Woodrow Wilson Foundation Award.
Helene Stapinski ("Generacion Latino," p. 62) is a frequent contributor, and most recently authored "Y Not Love?" in the February issue. She has also written for The New York Times, Cosmopolitan, New York and People.
Bill Stoneman (Indicators, p. 26) is a freelance writer based in Albany, New York, covering financial and banking issues. He is also the editor of American Demographics' Forecast newsletter.
Roberto Suro ("Crossing the High-Tech Divide," p. 54) is a staff writer at The Washington Post and author of Strangers Among Us: Latino Lives in a Changing America, now available as a Vintage paperback.
Michael J. Weiss (Top Lines, p. 22) is a New York City-based journalist and marketing analyst. He is the author of several books on geodemography, including The Clustered World, which will be published by Little, Brown in January.
G. Evans Witt (Poll Tracks, p. 25) is president of Princeton Survey Research Associates, an independent polling firm. A journalist and pollster with the Associated Press for more than 20 years, Witt directed the Election Line and PoliticsNow Web sites in 1996.