I have a lot of confidence in Apple even if they are less than 100% all the time. They put a vast amount of effort into catering for diverse users, their iOS ac

I have a lot of confidence in Apple even if they are less than 100% all the time. They put a vast amount of effort into catering for diverse users, their iOS accessibility, for example. So I would bet that the Watch sensors are solid. Or will be, as the feature appears to be coming soon: https://9to5mac.com/2020/03/08/apple-watch-blood-oxygen-saturation/ https://9to5mac.com/2020/03/08/apple-watch-blood-oxygen-satu...