Issue 038. Get E&O weekly. | Subscribe

Digital health research from Brian Dolan.

Welcome to E&O.

Last week's newsletter had a 60 percent open rate. Here's what's happening this week:

• Welcome to all the new readers! Spikes in subscribers are always attributable to current readers mentioning E&O on Twitter or forwarding these newsletters to their smartest, most-accomplished colleagues. So, thanks for doing your part to spin this here flywheel with me...
• Lots of great calls this week with current subscribers about trends in digital health (as well as conversations about ways to deepen and expand E&O). One particularly succinct line I heard sums up the tension digital health will have to navigate this decade: "There is no precision medicine without surveillance." 'Shivers down the spine' kind of one-liner.
• Speaking of surveillance, Google Health has yet to reveal a health-sensing,