> Actually you don't want this, and you are describing a nightmare scenario that everyone who studies health policy understands all too well. Would a very larg

> Actually you don't want this, and you are describing a nightmare scenario that everyone who studies health policy understands all too well. Would a very large representative sample of volunteers doing this kind of hitherto unprecedented level of medical monitoring help improve this technology while limiting the unintended consequences? If we could get to the point where the technology was very highly predictive of specific outcomes and even had the ability to test early interventions on those outcomes, that would both allay the psychological cost of a population-wide roll-out and drastically improve outcomes across the board, would it not?