Which coffee retailer launched its groundbreaking mobile-based loyalty program in 2009 that allowed customers to pay, earn 'stars', and receive rewards all in one app?

Test your knowledge about one of retail's most successful loyalty programs that revolutionized the customer retention landscape. This program has influenced countless other retailers to develop similar systems, creating an entirely new approach to customer relationship management. Understanding the pioneers in this space helps reveal why certain loyalty strategies outperform others in building sustainable customer relationships.

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Starbucks
Dunkin' Donuts
Costa Coffee
Peet's Coffee