Abstract: Disclosed is a method for providing secure private exchange of a profile data of a network participant between the participant and a plurality of third parties. The method comprises registering profile data by the network participant with a privacy control unit, assigning privacy levels to each of the plurality of attributes of the profile data, transferring the profile data along with privacy levels assigned to each of a plurality of attributes of the profile data to a privacy control unit generating a report for research and for targeting promotion campaigns to the network participant by using the profile data. The report is accessed by the plurality of third parties for communications with the network participant, wherein the plurality of third parties are registered with and invoiced by the privacy control unit. A portion of the invoice is provided as a fee to the network participant for providing the profile data.