Introduced in the United States in 2005, the Amazon Prime program extended unlimited free two-day shipping to customers who paid a yearly fee. Since that time, Amazon has expanded the program to include grocery delivery, video streaming, and other perks while simultaneously spreading Prime services to additional demographics and countries. Since 2005, Amazon Prime has become an increasingly common part of American life, especially among young and affluent shoppers. Prime membership is on the rise not only in Amazon’s home...