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A comment on Ask HN: Why XMPP failed and SMTP didn't?. Parent comment

Re:Ask HN: Why XMPP failed and SMTP didn't? by e12e on Thursday May 26, 2022 @01:20PM (#31520976)
I suppose this includes irc in a way too - AFAIK slack used to be (mostly) just a propiatary IRC network and client?
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Re:Ask HN: Why XMPP failed and SMTP didn't? by sc68cal on Thursday May 26, 2022 @02:06PM (#31521562)
They had IRC gateways that you could use to connect your IRC client into slack, but I don't think their architecture started like the IRC protocol. It appears to have at one time just been a webapp, with databases for storage for messages. Not anything like IRC's protocol/architecture.

https://www.slideshare.net/InfoQ/how-slack-works

It may have subsequently turned into something more like how IRC servers work, but early on it doesn't appear to have been.

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Re:Ask HN: Why XMPP failed and SMTP didn't? by nitia on Thursday May 26, 2022 @02:48PM (#31522023)
Twitch still is
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