Wednesday, September 23, 2020

NPR Notícias de negócios: A Tech Powerhouse, U.S. Lags In Using Smartphones For Contact Tracing

A Tech Powerhouse, U.S. Lags In Using Smartphones For Contact Tracing
Google and Apple teamed up on using smartphones to track coronavirus infections. But the systems are only available in a few states, where they're being used by a tiny percentage of the population.

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