I wonder if some of what went wrong with XMPP was the big platforms (Facebook, Gmail) adopting it, then dropping it. Coupled with the rise of smartphones and th

I wonder if some of what went wrong with XMPP was the big platforms (Facebook, Gmail) adopting it, then dropping it. Coupled with the rise of smartphones and the cloud. Previously you ran your chat app on a desktop PC and it stored your chat history/etc. I imagine federated chat means more opportunities for your users to avoid seeing ads too... Just use someone else's server!