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BtoB

Walter Karl wins Ziff Davis lists

Published on .

Pearl River, N.Y.—Walter Karl, a division of Donnelley Marketing and infoUSA, has won exclusive list management for Ziff Davis Media subscriber files. The postal and e-mail lists were previously managed by Worldata. The 22 million-plus names are derived from Ziff Davis’ portfolio of print publications, content Web sites and conferences.

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