3 ms·

What about a smart belt that automatically tracks your waist size? Other measurements may be harder to get automatically.

• im3w1l 11y ago
  Or just use an ordinary belt and look at how the belt-hole-number changes.
  • jblok 11y ago
    That's so 2014!
• TillE 11y ago
  Belts typically go around your hips, not your waist. Clearly we need a smart corset.