In effect, OpenPrivacy is the first open platform that enables user control over personal data while simultaneously - and at user discretion - providing marketers with access to higher quality profile segments. The resulting marketplace for anonymous demographic profiles will create opportunities for a new breed of personalized services that provide people and businesses with timely and relevant information. Throughout the system, information may be shared with guaranteed personal privacy, creating at last a level playing field for the user, marketer and infomediaries.