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Signal (software) - Wikipedia
Signal is an open-source, encrypted messaging service for instant messaging, voice calls, and video calls. The instant messaging function includes sending text, voice notes, images, videos, and other files. Communication may be one-to-one between users or may involve group messaging.
The application uses a centralized computing architecture and is cross-platform softwareWikipedia · Text under CC-BY-SA license- Estimated Reading Time: 9 mins
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