1. A method of registering wireless device users in a direct marketing campaign, comprising: providing content within a display of a wireless device, wherein the content includes a portion that is responsive to user activation and that displays an identification of a direct marketing campaign, and wherein the content portion, responsive to user activation, is configured to register a user to receive one or more communications from the direct marketing campaign; obtaining user identification information and direct marketing campaign identification information in response to user activation of the content portion, wherein the user identification includes a communication address where the user can receive communications from the direct marketing campaign via the wireless device; and registering the user in the identified direct marketing campaign in response to obtaining user identification information.