Boarding Passes as Billboards

Now that we can briskly check into flights online, airlines are capitalizing by selling ad space on our boarding passes. Several major airlines have signed onto the plan and hope proceeds will help counteract the cost of fuel.

The ads will feature destination-related information like weather, attractions, and restaurants, and passengers will be given the option of printing their boarding passes without the advertisements. In the future, ads may be geared toward individual customers.

Source