Which retail technology innovation holds the Guinness World Record for the 'Fastest Adoption Rate of a Retail Payment System' set in 2014?

The retail landscape has been transformed by technological innovations over the years, with some breakthroughs earning their place in the Guinness World Records. These advancements have revolutionized how consumers shop and interact with products globally. Test your knowledge about a significant retail technology milestone that made world record history and changed the shopping experience forever.

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Apple Pay, which reached 1 million registered cards within 72 hours of launch
Amazon One palm payment system, which registered 500,000 users in its first week
Alipay facial recognition payment, which processed 1 billion transactions in its first month
Samsung Pay's MST technology, which became available at 85% of POS terminals within 24 hours