[Balgair]

I agree entirely! I'd love to be able to track my bloodsugar all the time if I were a diabetic. Or my cortisol, so i know what triggers my stress better.

However, keeping this data private is terribly important. If it were made known that Jobs had cancer, or might have been looking to see if he did, then you can predict what the stock market would do. The privacy issue here cannot be understated

[ThomPete]

Data doesn't need to be private just anonymized :)

[r00fus]

De-anonymization is a real concern. (warning: pdf link) http://www.cs.pomona.edu/classes/cs190-2012/netflix_deanon.p...

[ThomPete]

Oh I don't doubt that. Just saying that the data is much more valuable if it's in use and anonymization is one way to do that.