The best way to measure your feet for running shoes is by heading to the shoe store and getting fitted by an expert. But if you need to troubleshoot sizing on your own, all you need is a ruler, paper ...

WATCH The story of the iPad device and how the data is gathered at Clarks' headquarters If you go to a shoe shop during half term next week, you may see lots of children getting their feet measured ...

If you go to a shoe shop during half term next week, you may see lots of children getting their feet measured with iPads. Shoe company Clarks has bet millions on the scheme, hoping it will be rewarded ...