Which innovative technology, first used commercially in 1997, is widely recognized as enabling the first mobile commerce transaction?

The way we shop has been fundamentally transformed by mobile technology. This trivia question explores a pivotal moment in the evolution of retail and e-commerce when a groundbreaking discovery allowed consumers to make purchases directly from their mobile devices for the first time. Test your knowledge about this significant milestone that helped shape today's trillion-dollar mobile commerce industry!

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SMS (Short Message Service) text messaging
WAP (Wireless Application Protocol) browsers
Bluetooth payment systems
QR code scanning technology