Why do people buy the items they purchase? Why is shopping one of the most popular leisure time activities in the United States? From a Turkish bazaar through the Mall of the Americas to the Metreon in San Francisco, this program takes viewers on a tour of retail marketing. Paco Underhill, Eric Kuhne, Claire Williams, Jeff Bezos and Geoff Burch and others comment on how advertising, store design, product placement and buyer behavior influence consumer spending. Original title " Buy-ology: Program 2 ". Filmmakers Rob Bayley and Graham Strong. BBC.