Upgrade with Geoffrey Fowler

An original series from The Washington Post


Navigate the confusing, occasionally scary and deeply personal world of tech with Washington Post columnist Geoffrey A. Fowler.

Featuring
Geoffrey A. Fowler

Featuring
Geoffrey A. Fowler

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Can Apple Watch Series 6 and Fitbit Sense accurately and reliably give blood-oxygen readings?

September 23, 2020 | 11:00 AM GMT
Both the Apple Watch Series 6 and Fitbit Sense have new blood-oxygen apps, but The Washington Post's Geoffrey Fowler says they’re mostly useless.