Of all the startup jawns that could possibly come from Philadelphia, perhaps none is as unexpected as Jenzy, the startup that provides an online marketplace and virtual sizing tool for kids’ shoes.

It seems like it should be a fairly easy thing, kids’ shoe sizes. And yet their feet grown so damn rapidly, it’s like first they’re a four and then they’re an 8 (how is a toddler a size 8 when I’m a ...

Your feet take you everywhere in life. So if you’ve ever wondered what determines your foot size, here's a "best foot forward," thanks to input from a doctor of podiatric medicine, and more. Read on ...