The collective buying industry has grown by leaps and bounds over the past several years, and Groupon stands out as a major player that has revolutionized this market. This case study describes the beginnings of Groupon, as well as the firm’s rise to power, the rise of its numerous competitors, its decisions and expansion strategies, and the collective buying industry as a whole. Key demographic data about Groupon’s customers (consumers and small businesses) are also described, along with recent developments at Groupon and within the industry in general. While Groupon has undoubtedly discovered a unique model that takes advantage of a ‘white space’ in sales and marketing to local businesses, it is unclear what the future holds for Groupon. Will it be able to sustain its incredible growth rate, or is its business going to peak quickly and then fade?