Advertising refers to any paid form of personal communication about an organization, product, service, or idea by an identified sponsor. any nonpaid form of nonpersonal communication about an organization, product, service, or idea by an identified sponsor. any paid form of nonpersonal communication about an organization, product, service, or idea by an unidentified sponsor. any nonpaid form of personal communication about an organization, product, service, or idea by an unidentified sponsor. any paid form of nonpersonal communication about an organization, product, service, or idea by an identified sponsor.