Apple has never "made" anything that others haven't perfected first. So, even if someone came with a non-invasive glucose monitor, it won't be Apple. If someone

Apple has never "made" anything that others haven't perfected first. So, even if someone came with a non-invasive glucose monitor, it won't be Apple. If someone does come out and it works well and if multiple companies copy it... we may see it on Apple watch around 2025 or later.