and how they are being incorporated into health care

FitBit was a huge breakthrough in metadata collection and analysis

Here's an example of a heart monitor;

https://www.bardydx.com/

Would the average person be able to analyze a cardiac cycle...definitely not

But you wear this miniature external, connect it to a laptop/computer, and the associated software tells you the relevant information

This could definitely be the model Theranos was aiming at

...and like I said, other companies are picking up the idea, and it will come to market...