http://www.heise.de/newsticker/meldung/FastMail-Google-und-Facebook-graben-XMPP-das-Wasser-ab-2922658.html
(well, the h-open offering is gone, so this is german only...)
XMPP on the way out. FB and Google discontinued their XMPP offerings last big big supporter Fastmail.fm stopped their offerings; whatsapp is winning ground for private users.
Professional users cling to... IRC. yes - me too.
