Likely you do or have without knowing it. The protocol is used in telecom quite a bit for all sorts of things. Jitsi is built on XMPP. Lots of games use it for

Likely you do or have without knowing it. The protocol is used in telecom quite a bit for all sorts of things. Jitsi is built on XMPP. Lots of games use it for chat - league of legends and unreal engine I believe. Xmpp shows up in all sorts of places if you look.