Dabbling (with) Dopamine

How can airlines use psychology to get better at retailing?

The Wanamaker organ is the largest wind instrument in the world, with 28,750 pipes and six manuals for the organist to play. John Wanamaker bought the musical monolith (pictured) in 1909 for his Philadelphia department store, now Macy’s Center City. It still sits there to this day, pumping out entertaining recitals as visitors browse Swiss watches and f…