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Comment by AJ007 | Hacker News Reader

Because of what Google did with Google Talk. https://ploum.net/2023-06-23-how-to-kill-decentralised-netwo...

XMPP is underrated. A lot of people are imagining Pidgen in 2011, but the protocol has been extended, the actively developed clients are good, and it avoids the heavier parts of Matrix (both client and server side.) I wouldn't be surprised if Slack's replacement when Salesforce inevitably fucks it up will be XMPP based rather than Matrix.

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Slack's replacement is going to be Teams. No corporation chooses internal chat clients based on interoperability or openness of source code.

"The protocol has been extended" has been XMPP's theme for decades, and also its problem. Name your favorite client, it probably won't have several extensions, and a lot of useful things require support on both ends plus the server. Lots of things that should be ubiquitous are not, including s2s auth. There needed to be more structure, like AIM back then or Signal now. Also the XML stuff is a nightmare.

Even if Google Talk kept XMPP, they weren't going to save it, cause nobody used Google Talk. Facebook was by far the biggest XMPP-supported platform (though it wasn't federated), and they stopped probably cause they didn't see enough clients. Even Slack supported XMPP for a while, did you use that?

My entire friend/acquaintance group used Google Talk in the late-‘00s.

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