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Chunyun, the annual Spring Festival travel rush in China, is the world's largest human migration. Each year, it tests the absolute limits of the country's transportation network. In 2026, however, it will test something new: how data, platforms, and policy can fundamentally reshape the experience of mass mobility itself. / Is boredom good for us (15:25)? On the show: Niu Honglin, Steve & Fei Fei