Scalibur: Reading Body Composition from a Cheap Bluetooth Scale

Body composition scales are, on their own terms, genuinely useful devices. Step on, wait a few seconds, receive a small dossier on your own physical form: weight, body fat percentage, muscle mass, and several other numbers whose accuracy I&rsquo;m diplomatically not questioning here. The problem is what happens next. Your data vanishes into whichever proprietary app the manufacturer saw fit to…