It'd be interesting to read the study limitations, but, at 35 participants, a larger and diverse cohort would be warranted to see how this translates in the rea

It'd be interesting to read the study limitations, but, at 35 participants, a larger and diverse cohort would be warranted to see how this translates in the real world. Aktiia has done some studies for its product and works by taking a BP cuff measurement to calibrate its PPG sensor-based algorithm. If you can get rid of the cuff and can sell an affordable wearable device, that would be a promising future.