Signal
@signalapp
Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time.
加入 May 2010
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📌 Pin your most important messages to the top of your 1-1 and group chats.
Long press a message to pin it for yourself and everyone else in the chat.
Now available on the latest version of Signal for Android, Desktop, and iOS.
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