Ad units may be purchased on this Web site in the following dimensions:

• Leaderboard - 728 by 90 pixels
• Skyscraper - 160 by 600 pixels
• MPU - 336 by 280 pixels

For sales and further information, please contact:

Todd Cowen
Director, Partner Development
(847) 419-6293
tcowen@cdw.com

Leslie Fielding-Russell
(847) 419-6523
leslfie@cdw.com

Jim Garlow
Director of Advertising
(847) 371-2259
jamegar@cdw.com

The publisher reserves the right to accept or reject advertising matter. The publisher assumes no liability for the return or safety of unsolicited art, photographs or manuscripts.