A chrome meter, a strip subscription and a coach in your pocket made One Drop a compelling experiment in everyday care. Its next chapter moved the ambition from the smartphone to the sensor.
Piyush Gupta left Abbott, watched his wife struggle with gestational diabetes, and decided the fix wasn't a better sensor - it was a cheaper one. A decade later, Ambrosia Systems sells glucose tech in 100-plus countries and just put the whole thing on your finger.