I've had things in the past on the benefits of going barefoot.
New York Magazine online suggests that despite your innate ability to walk, years of walking in shoes has got you doing it all wrong. This results in more aches and pains in your body than you should naturally encounter. The article makes the case that - despite the great lengths shoe manufacturers have taken to bring comfort to your step - most shoes are doing more harm than good.
Credit to Lifehacker for pointing out the story