I saw this picture of Sergey Brin, the co-founder of Goole the other day at GeekSugar, they were talking about his shoes. Yes, it's a pair of shoes, not toe socks.
They remind me of Vivienne Westwood's moulded toe shoes. Where as the Vivienne Westwood Mary Jane's 'toe-look' is purely for style, the Vibram FiveFingers MOC ($110) apparently helps to correct and align your spine.
On their website you can see it's also designed to create a barefoot feeling. I can't help wondering, by the time my spine is corrected and aligned, will my toes be broken by running kids and supermarket trolleys?