Secure messaging app Signal is currently testing a new option for Android users that will allow for the installation of the app on more than one device. With many people using more than one phone, or ...

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If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its robust ...

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...