A BUSINESS strategy of The New York Times to get its articles to pop up first in Internet searches is creating a perplexing problem: long-buried information about people that is wrong, outdated or incomplete is getting unwelcome new life.

People are coming forward at the rate of roughly one a day to complain that they are being embarrassed, are worried about losing or not getting jobs, or may be losing customers because of the sudden prominence of old news articles that contain errors or were never followed up.