How the Google Antitrust Case Trickles Down Onto Your Phone

This week, the US Department of Justice filed an antitrust suit against Google. It accuses the company of stifling competition and operating a near-monopoly on the search advertising industry. Naturally, Google disagrees with those charges. And so the stage has been set for the biggest antitrust battle in decades. It’s a complicated case, one with tens of billions of dollars […]

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How to Use Blood Oxygen Data on Apple Watch, Garmin, Fitbit, Samsung

Even if you wear a sensor in the right spot, its readings can be affected by a whole host of factors. That’s especially true for devices that aren’t the standard fingertip readers. “On reflective devices, the performance can be a little worse,” says John Feiner, a respiratory physiology researcher at UC San Francisco. “Anything that shines through the fingertip usually […]

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