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> Signal is more dangerous...

Definitely not true. Facebook literally censors private conversations. You simply can't send certain text strings to your friends. That is far more dangerous than relying on a third party that claims to be protecting your privacy. Especially since all signs point to them being honest.

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What strings can't I send over WhatsApp?

I don't know about WhatsApp (but I also didn't mention WhatsApp), but go to FB Messenger right now, open up a conversation with yourself, and try to send a message containing the string "thedonald.win". You'll get an error message saying "Couldn't send", with no further explanation. The list of banned strings used to be longer, but they've unbanned a lot of them since the election ended.

To be clear, this is in private conversations. Not just posting publicly on Facebook or w/e.

Just tried with and without quotes and it sent fine. This was on Messenger version 445.0.0.41.109 on Android 14.

Could be regional. Are you in the US?

I'm in the UK.

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