Yeah, I think they're a huge advance for people who are already used to stabbing themselves. But they're still invasive in the sense that they have to keep the

Yeah, I think they're a huge advance for people who are already used to stabbing themselves. But they're still invasive in the sense that they have to keep the probe inside your body for 2 weeks. If Apple can nail the light-through-the-skin approach, the audience size jumps by 1-2 orders of magnitude.