If this thing catches on they will end up with a literal treasure trove of useful data that can be mined for some pretty mind bogglingly accurate stats on some aspects of our health.
I like this sort of thing but I can also understand why some people might feel a bit uneasy about so much data gathering.
Those are all pretty much data that are available already to whoever is accessing your smartphone. Google has been tracking activity and location for years now https://maps.google.com/locationhistory/b/0
I like this sort of thing but I can also understand why some people might feel a bit uneasy about so much data gathering.