The document discusses trends in airport retail for 2015 and beyond. It notes that 44% of global airport revenue comes from non-aeronautical services, with 54% of concession space used for non-duty free retail and food service. It also discusses issues like the rise in Chinese duty-free spending, the potential of mobile apps to increase retail sales, and how carry-on restrictions can reduce retail revenues. The document aims to help airports better understand customer needs and experiences to improve their retail operations and revenue.