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I always wanted to create a social app for shoes and call it Sole Mate. Put in your specs and rank your own shoes and then find other people who have a similar fit to you and see what they liked.

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Sounds like it could be an amazing feature for Zappos - "you picked this shoe at this size and didn't return it, here's what others who did that also bought".

Ive seen Dr scholls in-store kiosks that do a mapping of feet to (i think) create custom insoles. It would be cool to have a digital file of not just a 3D impression of your feet, but also some data related to pressure distribution related to gait that could (in theory) find an optimal shoe (not objectively optimal -- but aligned with others that have similar characteristics).

And presumably as your weight changes you would need new models.

Heck I'm surprised there aren't more "smart shoes" that track weight changes and mobility.

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