Today, consumers face a rapidly expanding market of technology designed to measure, monitor, and mediate the status of their bodies, and communicate it to the surrounding world. Jawbone, Apple Watch, Nike Run Keeper, and the GoPro Camera are all pieces of body monitoring technology that were vying for consumer attention in 2015. But what types of cultural roots lay behind this interest in high-tech body monitoring accessories? How could an interest in body monitoring develop, and what types of knowledge were they predicated upon? In order to approach these questions, this paper opens by examining some of the most common and low-tech items in our homes and lives from ordinary glass and bathroom scales to home lighting.