Dexa is expensive, you can get a modern smart scale for 50€, the cheapest accurate method would be the Caliper tongs. What can it be good for? Video surveillan

Dexa is expensive, you can get a modern smart scale for 50€, the cheapest accurate method would be the Caliper tongs. What can it be good for? Video surveillance with metadata enrichment? Profiling? Losing body fat takes time. A smart mirror that displays body fat?