Earlier this week, Delta Airlines announced plans that will turn its boarding passes into advertising opportunities, or billboards, hawking destination-specific businesses and products. An Omaha-based startup, Sojern, is behind this advertising offer, which is going to be adopted by four airlines in addition to Delta: American, Continental, United, and US Airways. Given that airlines are in such a desperate position, mostly because of their incompetency, they are ready to try anything, however....




