Very nice paper! For useful background on neural prediction, see "The brain is a Peirce engine" - http://esr.ibiblio.org/?p=7651
He's in his late 60s now, his brain probably hasn't as much processing power as it used to, and I think faffing about with Linux and all the moving parts that make up a self-maintained blog is becoming just as baffling and tiresome to him as it is to nearly everyone else.