The latest and greatest gadget from Apple, the Watch Series 4, has doubled down on the health monitoring game, and is sporting an electrocardiogram, or ECG, function. But how useful is this thing? Does it make sense to monitor lots of healthy people? And does the Apple Watch really appeal to the people who are most at risk for heart conditions this device could detect?
This episode is adapted from a column I wrote for The Upshot. Links to sources can be found there.
