Here's an email I got from the Business Development associate at VNU Media:
Please tell the appropriate person at Wikepedia to contact me as soon as possible. As Sam noted, the current use of our content on your site is not permissible without a licensing agreement. Therefore we would like to resolve the issue quickly. Thanks again for bringing this to our attention.
Best, Ben
Ben French Associate, Business Development VNU eMedia, Inc. 770 Broadway, 6th Floor, New York, NY 10003 Phone: (646) 654-5593 / Fax: (646) 654-5589