"A brain originally designed to cope with nothing more tempting than an occasional glimpse of a tribesperson across the savannah is lost with what’s now on offer on the net at the click of a button: when confronted with offers to participate continuously in scenarios outstripping any that could be dreamt up by the diseased mind of the Marquis de Sade. There is nothing robust enough in our psychological make-up to compensate for developments in our technological capacities."
http://blogs.wsj.com/speakeasy/2012/12/26/why-we-should-limi...