Temperature, blood pressure, blood oxygen, heart rate, breathing rate, steps, floors climbed, distance traveled, calories burned, active minutes, sleep time, sleep quantity, biphasic shift, basal body temperature… Instead of embodied knowledge and insight, we are able to subcontract the work to our smarter, more objective, more dependable devices. Thanks to them our bodies are now trackable, hackable entities capable of being understood as data points we can optimise. “Self-knowledge through numbers” in the words of the Quantified Self website.