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I presume the most practical application of this would be glucose testing for diabetics. There are many people who would prefer not to be sticking their fingertips all the time.

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I'm diabetic (T1) and would kill for an Android Wear device that logged my blood sugar level. It would be life-changing for me. Even though I can calculate (usually very accurately) what my level is based on the last measurement and what I've done and eaten since, knowing for sure and having a full log would relieve some pressure and remove any doubt I have, whilst saving my fingertips.

Yeah, if you have to test regularly then your fingertips end up hurting like hell (for a while I had to test 10+ times a day).

You also have to keep buying new needle drums/cassettes as well as glucose strips - not sure if this system cuts down on disposable parts?

I thought most people used the insulin pumps now, with the lancet for testing?

They'll probably still hurt. This thingie basically shoots you with a teensy tiny bullet and then slurps the resulting blood.

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