Which retail technology innovation has most significantly reduced product returns in the sporting goods industry over the past five years?

The sporting goods industry has transformed dramatically in recent years through technological innovation. From how products are developed to how they're sold, technology shapes every aspect of the sports retail experience. This trivia question focuses on an important retail trend that's changing how sporting goods retailers operate and connect with athletes and fitness enthusiasts. Test your knowledge about the business side of sports!

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Virtual try-on technology that allows customers to visualize how equipment and apparel will fit before purchasing
RFID tagging systems that track inventory location throughout stores
Mobile POS systems that enable sales associates to complete transactions anywhere in the store
Blockchain verification systems that authenticate premium sports memorabilia