Which innovative payment technology was first introduced by Square (now Block, Inc.) in 2009, democratizing credit card acceptance for small businesses?

The retail payment landscape has transformed dramatically over the past two decades. From traditional cash registers to sophisticated contactless systems, payment technology continues to reshape the shopping experience. This trivia question focuses on a significant development in retail payment innovation that changed how businesses process transactions globally. Test your knowledge about this pivotal shift in retail payment systems!

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Mobile card reader that connected to smartphones
Facial recognition payment system
Cryptocurrency payment terminal
RFID-enabled payment wristbands