a method and system for marketing and / or conducting a survey includes the distribution of cards at a selected event to one or more individuals . the cards indicate contact information whereby the individuals are able to contact a host , such as a server connected to a network , conducting said marketing or conducting said survey . the cards also include a unique identifier associated with the event whereby the host is able to differentiate the individuals based on the event they have attended . the host also includes an information exchange system wherein the individuals first enter the unique identifier and , subsequently , further demographic data . the individuals are provided an incentive in the form of a contest or prize for contacting the host .