Elizabeth Renstrom for TIME
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When the U.S. Supreme Court overturned the right to abortion access in June 2022, fears arose that legislators might leverage companies’ data to track women’s reproductive health. So that September, period-­tracking app Flo put out a new option called Anonymous Mode, which can “completely decouple health information from the identity of the user,” according to chief technology officer Roman Bugaev. The constantly updated service, available to Flo subscribers at no extra charge, was developed with web-­infrastructure company Cloudflare. Earlier this year, Flo released an open-source version.

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