What was it about XMPP that made people move to facebook, slack, hangout or other closed systems? In 2011, at my job everyone used their own favorite account to chat with each other. I'd logged on Empathy with my yahoo mail. My coworkers were on gmail, aol, yahoo, hotmail, facebook, and some I can't even remember. Chatting wasn't a problem. How did it go from being a convenient thing for everyone to everyone should u…
Around that time the iPad was showing up everywhere and I found was that there were zero good iOS XMPP clients. Every single one we tried, I'd notice it was proxying the credentials through a 3rd party server to deal with the lack of background connection support and to handle the push notifications. This was a major security issue, and also meant it would have been unusable during an internet outage.
This sort of thing, combined with the lack of server side history was probably what killed it.