offee is making you healthier, let me talk about the other things that will make you healthier. Would you like to hear some good news? Why not? Because good news makes the day better.

So here's some good news. While we were sleeping, people who are smart were working hard to make health care better and cheaper. There's a new device called photoacoustic imaging. It's still in the laboratory. They're developing it, but apparently the technology works. And what it is is a really cheap, non-invasive way to get an image like an X-ray, like an MRI, except that you could build it so it's sort of a portable, almost use-it-at-home kind of device.

Apparently you can tune it to see all kinds of different things. You can tune it to see your veins and arteries. You can tune it to see your bones. And apparently it's just kind of amazing, and it's probably not too far away — a few years away.

So imagine this world. Here are the things that are sort of coming together in different ways to make health care cheaper. One is this device. Let's say if you could just go to a central place and rent it from the library and say, "Hey, I want to borrow this imaging device. Ten bucks." Look at your thing, send it to your doctor, who is a telehealth doctor. Might be a doctor in some other part of the world. So you've got your doctor on your phone. That's cheap.

You've got your portable imaging. That's cheap. You've got your phone apps that are monitoring your heart. I saw a device that seemed to indicate it could check your blood sugar without sticking you. Is that real? I don't think it's integrated necessarily with your phone yet, but it's a handheld device that you just put on you and it can tell your blood sugar. I