What is Signal? How the popular encrypted messaging app keeps your texts private

Signal is an encrypted messaging app.

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• Signal is a messaging app that uses end-to-end encryption to keep your messages private.
• When you send a message on Signal, the only people who can see it are the recipients.
• You can use the Signal app to send texts, photos, videos, and voice messages.

Over the last few years, Signal has become one of the most popular messaging apps. Favored by tech giants...