It may seem like a magic trick: Turning a one-time customer into a repeat user of a travel company’s products and services. But in today’s global, interconnected travel industry, customer retention and the ability to entice travelers back to a certain travel company is becoming less of a mystery and more of a science thanks in large part to the development of mobile apps. Smartphones, tablets, laptops, and other mobile devices have not only changed the way customers research and book their travel arrangements, but they’ve also fundamentally shifted the way travel companies view devices as tools for continued interaction and communication with would-be travelers.