Which transportation technology innovation was first introduced by the Hong Kong MTR in 1997 before becoming a global standard for contactless fare payment?

Modern public transportation systems have undergone significant technological advancements to enhance passenger experience. One of the most impactful innovations has been the implementation of smart ticketing systems that revolutionized how passengers pay for and access transportation services. This poll tests your knowledge about a groundbreaking smart ticketing technology that changed urban transportation worldwide.

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The Octopus card system, the world's first widely adopted contactless smart card payment system for public transit
The RFID Transit Pass, using radio frequency identification for automated fare collection
The Mobile QR Ticket Platform, allowing passengers to display digital tickets on smartphones
The Biometric Access Terminal, using fingerprint recognition for transit payment verification