I would put it down to Nudge theory: * http://www.economist.com/node/21551032 http://www.economist.com/node/21551032 * https://en.wikipedia.org/wiki/Nudge_the

I would put it down to Nudge theory: * http://www.economist.com/node/21551032 http://www.economist.com/node/21551032 * https://en.wikipedia.org/wiki/Nudge_theory https://en.wikipedia.org/wiki/Nudge_theory