The Freemium business model, commonly used in digital products, has both a perpetually free but limited version and a premium version with enhanced features that requires a fee. These firms often have a referral program in which current customers get additional benefits (e.g., extra storage...

This case is set in early 2011 after a period of incredible customer and revenue growth for Groupon. Reviewing Groupon's rise, the case explores whether Groupon promotions are really good for local merchants, whether Groupon can continue to thrive amid increasingly intense competition, and the...