I was looking for a technical-ish discussion on the differences between IRC and Slack, and I found this thread on Hacker News, which sufficed.
It consisted of what I expected. IRC is old. IRC has problems. IRC3 fixes stuff. Slack is closed. Slack is proprietary. Slack has all your data. No one wants to run their own IRC server. Slack is easier to post "richer content."
Plus, there was plenty of discussions of other "chat protocols" (for lack of a better name). And plenty of links to XKCD standards comic.
This portion of the thread stuck out to me:
> > I'm really happy zulip was opened up
> we would love to work with Zulip to federate it into Matrix
Ping me over email (firstname.lastname@example.org) and we can discuss
A dozen different "chat protocols" being discussed -- almost all in the form of a closed homogenous system or one that seeks to octopus tentacle into as many of the different systems as it can (like Trillian for AIM/MSN/Yahoo/etc.). History repeating itself, but then there's this -- "ping me over email... to discuss".
"Ping me over email."
I have probably 500 more words I would like to type as commentary to that. But I think leaving it with none is just as poignant.