Comment on A new study found adaptive traffic signals powered by big data reduced peak-hour travel times by 11% in China’s 100 most congested cities – saving 31.73 million tonnes of CO₂ annually.

• CosmoNova@lemmy.world ⁨15⁩ ⁨hours⁩ ago

  Privacy obviously. They collect everything about their citizens and use it in every system. They‘re not some super advanced country that simply does tech better than everyone else, they just hoard more data than anyone and use it carelessly everywhere.

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