2-4 minutes times 4,000 is 130-260 brain-hours, at average 10W/brain it comes to 1.3-2.6 KWh. Human energy source is more expensive than electricity, so this is likely $15-30 hard cash per moneyspam considering only energy costs. If you add maintenance, housing and lost brain cycles, it goes way up.
It's just not green. > first, in my experience, nothing takes 5-10 secs, and even > if it does, there are always at least 24 instances of this > which makes it 2-4 mins, plus x. (i think that proposals # distributed via <nettime>: no commercial use without permission # <nettime> is a moderated mailing list for net criticism, # collaborative text filtering and cultural politics of the nets # more info: http://mx.kein.org/mailman/listinfo/nettime-l # archive: http://www.nettime.org contact: nett...@kein.org
