here is roughly the same information in an essay by the same author: <a href="https://gultsch.de/xmpp_2016.html" rel="nofollow">https://gultsch.de/xmpp_2016.html</a> if you don't have the time to watch a 45 minute video.<p>and the relevant discussion on HN: <a href="https://news.ycombinator.com/item?id=11837466" rel="nofollow">https://news.ycombinator.com/item?id=11837466</a>