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Picture isn`t mine: check the source link!
I`m here to talk you about a great invention!
As it seems, Dominic Wilcox created a pair of shoes that, in the night, point the way home! The shoes work by having a GPS in its heel, and a USB connection for the user to update the reference to his home.
At night, the leds point out the way home, so no one has a way to not to go straight home :D
Source link: http://www.techweekeurope.co.uk/news/gps-shoes-92923