I don't buy this. XMPP uses no more than any other IM system, and much less than most. The military use it over HF links in theatre, for heaven's sake - this is

I don't buy this. XMPP uses no more than any other IM system, and much less than most. The military use it over HF links in theatre, for heaven's sake - this is not what you'd choose to be doing if the bandwidth was so high. (HF is STANAG 5066, and runs down to a handful of bits a second - this stuff is not fast).