Which customer feedback innovation is credited with increasing response rates by over 80% when it was first widely adopted by major retailers in the early 2010s?

Customer feedback methods have evolved dramatically over the decades, transforming how businesses understand their customers. Modern technologies have created unprecedented ways to gather insights, but one innovation in particular revolutionized how retailers collect and analyze customer sentiment. Test your knowledge about this significant shift in retail feedback methodology that changed the industry forever.

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QR code surveys on receipts
NPS (Net Promoter Score) system
Point-of-emotion feedback terminals with emoji buttons
AI-powered sentiment analysis from security camera footage