Today is Document Freedom Day. Nice. And the German Document Freedom Award goes to 1&1 for their broad jabber deployment:
In Karlsruhe FSFE and FFII handed over a certificate and the Document Freedom Award-cake to Jan Oetjen, CEO 1&1 Internet Portals, and Tino Anic with his team, who are responsible for this functionality. The Extensible Messaging and Presence Protocol (XMPP, previously called Jabber) is an Open Standard communication protocol used for chatting. A variety of chat programs support this protocol, and it is also used in VoIP applications. Every e-mail users of 1&1, GMX and WEB.DE get such an XMPP account by default, which has the same name as the e-mail address.
Congratulations.