Policy Effective Date: March 20, 2008 We and our advertisers may use third parties to serve or present the ads that appear on our site and to conduct research about the advertisements. Below is a representative list of such third parties and a link to their privacy notices. For more information, click on the links below. DoubleClick http://www.doubleclick.com/ Atlas http://www.atlassolutions.com/ Falk http://www.falkag.com/ Mediaplex http://www.mediaplex.com/ Motif http://www.dartmotif.com/ Eyeblaster http://www.eyeblaster.com/ Unicast http://www.unicast.com/ Pointroll http://www.pointroll.com/ Eyewonder http://www.eyewonder.com/ Shoshkeles http://www.unitedvirtualities.com/ Interpolls http://www.interpolls.com/ Insight Express http://www.insightexpress.com/index.asp Dynamic Logic http://www.dynamiclogic.com/na/ Bluestreak http://www.bluestreak.com/ Trueffect http://www.trueffect.com/ Viewpoint http://www.viewpoint.com/