Which country first implemented a nationwide 'Digital Service Marketplace' platform modeled after e-commerce sites that allows citizens to 'shop' for government services across multiple agencies with a single login?

In today's digital age, governments worldwide are adopting retail-inspired technologies to enhance citizen services. From omnichannel communication strategies to inventory management systems for public resources, the line between retail innovation and government service delivery is increasingly blurred. This trivia question focuses on a groundbreaking government retail technology initiative that changed how citizens interact with public services. Test your knowledge about this intersection of retail technology and government service delivery!

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United Kingdom (through its GOV.UK platform)
Estonia (through its e-Estonia initiative)
Singapore (through its SingPass system)
Australia (through its myGov portal)