And it's not just Reader: Google Talk is following the exact same strategy as well. It supposedly is the world's largest xmpp network, but with a few extra cha

And it's not just Reader: Google Talk is following the exact same strategy as well. It supposedly is the world's largest xmpp network, but with a few extra changes that makes compliant xmpp clients practically useless (e.g., not able to add anyone inside gtalk from the outside: _they_ have to initiate the request, supposedly for spam reasons.) But then again, Facebook does the same thing...