With 3.7 billion passengers annually, which is set to double over the next few years, communication is critical in the air travel industry. From bookings and check-in to passenger lists and even messages to pilots about the weather and flight plans, everything must be connected. European Business spoke with Dave Bakker, President Europe for SITA, the cooperative responsible for the transmission of air travel communications across the world, to learn more about this vital operation and its fascinating technological innovations.