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A comment on Facebook executives shut down efforts to make the site less divisive. Parent comment

Re:Facebook executives shut down efforts to make the site le... by Lammy on Tuesday May 26, 2020 @03:32PM (#23315483)
> you could chat with a Facebook friend from your Google Hangouts account

This was never true. There was an XMPP-speaking endpoint into Facebook's proprietary chat system, but it wasn't a S2S XMPP implementation and never federated with anything. It was useful for using FBChat in Adium or Pidgin, but not for talking to GChat XMPP users.

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Re:Facebook executives shut down efforts to make the site le... by hesk on Tuesday May 26, 2020 @04:45PM (#23316186)
I don't know about Facebook but Google Talk was federated at some point [1].

[1] https://googletalk.blogspot.com/2006/01/xmpp-federation.html

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Re:Facebook executives shut down efforts to make the site le... by Lammy on Tuesday May 26, 2020 @05:48PM (#23316827)
Yep, Google's was. They never enabled server-to-server TLS, though, so GTalk was effectively cut off from the federated XMPP network after May 2014 when that became mandatory: https://blog.prosody.im/mandatory-encryption-on-xmpp-starts-...
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