Filed under: Cell Phones, Summer Fun A consulting firm working with the airline industry seems to think that mobile phones are the secret to saving the beleaguered industry millions of dollars. The firm, SITA, says that if the airline companies learn to properly leverage the features on high-end cell phones, it could save $600 million in the next few years. SITA suggests using location-awareness functions like GPS to track passengers within the airport and to text message them with importa