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How the survey was done: CIO Insight designed the data architecture survey together with Advantage Business Research Inc. (www.advantageresearch.com), a Lake Success, N.Y.-based supplier of custom research services. CIOs, chief technology officers, and vice presidents of information technology and services gathered from a number of sources, including third-party lists and other Ziff Davis Media publications, were invited to participate in the study by e-mail. The questions were posted on a password-protected Web site, and 665 qualified respondents replied from April 26 to May 7, 2002. All qualified respondents described themselves as knowledgeable or very knowledgeable about their company's data architecture.