Which city's transportation authority first introduced a contactless smart card payment system that became a model for transit systems worldwide?

The transportation industry has undergone significant technological transformations in recent years, particularly in how passengers pay for their journeys. Contactless payment systems have revolutionized the retail customer journey in public transportation. This poll tests your knowledge about a major innovation that changed how millions of commuters interact with transportation services daily, making the experience more seamless and efficient.

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Hong Kong with the Octopus card (1997)
London with the Oyster card (2003)
Tokyo with the Suica card (2001)
Singapore with the EZ-Link card (2002)