Joseph Menn reports:
One of the world’s most popular means of communication, Facebook’s WhatsApp, is adding fully encrypted video calling to its messaging app on Monday, a move that comes as privacy advocates worry about the potential for stepped-up government surveillance under a Trump administration.
WhatsApp, which boasts more than a billion users worldwide, adopted end-to-end encryption early this year, making it technically impossible for the company or government authorities to read messages or listen to calls.
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