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LAN chat & instant messenger software. Pop Messenger.
9:14
You can now run the BIGGEST chat system of the 2000s at home!
1:10
How to Use Secret Conversation on Facebook Messenger!
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Chat App | WhatsApp | Facebook Messenger | System Design
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How Signal Instant Messaging Protocol Works (& WhatsApp etc) - Computerphile
27:23
4: Facebook Messenger + WhatsApp | Systems Design Interview Questions With Ex-Google SWE
3:09
Just use Matrix.
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Instant Message Chat Software - ChatWing
