Patent ID: 8694021

Claim:
An advertisement delivery system comprising: a message identification unit in communication with a database, wherein the database includes data identifying one or more cellular devices that are subscribed to receive advertisements; wherein, in response to receiving a short messaging service message from a first cellular device to be routed to a first connection, the message identification unit accesses the database and determines whether the first cellular device is subscribed to receive advertisements; wherein, when the first cellular device is subscribed to receive advertisements, the message identification unit retrieves an advertisement from a advertisement insertion unit, wherein the advertisement insertion unit appends the advertisement to the short messaging service message from the first cellular device, and, routes the short messaging service message including the appended advertisement to the first connection; and wherein, when the first cellular device is not subscribed to receive advertisements, the message identification unit routes the short messaging service message from the first cellular device to the first connection, wherein the database further includes user demographic information, and wherein the advertisement insertion unit retrieves an advertisement associated with the user demographic information.