The Network Advertising Initiative (NAI) is a cooperative of online marketing and analytics companies committed to building consumer awareness and establishing responsible business and data management practices. Many large advertising networks are members of the NAI. The NAI has developed a tool that allows consumers to opt out of targeted advertising delivered by NAI members' ad networks. To learn more about opting out of targeted advertising or to use the tool, visit

Some of the other companies who may set cookies on our sites to serve or present the ads that appear on our sites and to conduct research about the advertisements, include:

AOL Advertising -

Atlas -

Brightcove -

Clearspring -

Comscore -

Context Web -

Datran Media NetMargin -

Digital River DirectTrack -

Dimestore -

DoubleClick -

DrivePM -

Dynamic Logic -

Eyeblaster -

Eyereturn -

Experian -

Factor TG -

Hitwise -

iCrossing -

InsightExpress -

Interpolls -

MediaMind -

Millward Brown IntelliQuest -

Omniture -

Pointroll -

Prospectiv -

Q Interactive -

TruEffect -

Vizu -