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Sure, but that assumes you only have one group. I'm in only 2 really small groups, both on Signal, but I keep Whatsapp because there are a few people I can only talk to there.

It's also a backup mechanism in case Signal fails (like it did when the exodus happened)

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> It's also a backup mechanism in case Signal fails (like it did when the exodus happened)

I view SMS as a fallback solution. It has plenty of benefits, i.e. no app required, works on every mobile phone ever made.

That's true, but the people I talk to on Whatsapp are not (usually) in the same country as me, and cross-border SMS tends to not be included in a basic package. Especially now that UK has left the EU, that's definitely not going to be cheap. Add to this that cost increases with message length in SMS - over the internet it's basically flat if you have wifi or data (up to a point at least... :D )

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