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As part of its 5 Year Anniversary special report, Baseline magazine asked two longtime information-technology market watchers—David F. Carr, Baseline‘s technology editor, and Michael Vizard, editorial director of the Ziff Davis Enterprise Group—to, respectively, tell us what five technologies had the biggest impact on business over the past five years and what five technologies might have the biggest impact over the next five. Here’s what they had to say:

View Slide Show: 5 Most Important Technologies of the Last Five Years

View Slide Show: 5 Most Important Technologies for the Next Five Years