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Privacy is Priceless, but Signal is Expensive
(signal.org)
This is a most excellent place for technology news and articles.
Yup, it has a cost, but there's perhaps a one or two orders of magnitude cost difference between hosting instant messaging + calls with something like XMPP, and hosting mastodon/Lemmy/Kbin (or why I do the former but not the later, and why I'm ok to pay for the service, esp. considering that my instance's business model isn't, unlike Reddit, to re-sell influence and data).