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Comment by saagarjha

> modern smartwatches and fitness bands can track your pulse continuously, day and night, for months. Imagine what you could learn if you collected all that data from tens of millions of people!

Please no. Surely nobody thought collecting health data from all their users was a good idea, right?

> That’s exactly what Fitbit (FIT) has done. It has now logged 150 billion hours’ worth of heart-rate data. From tens of millions of people, all over the world.

Argh…

> Fitbit also knows these people’s ages, sexes, locations, heights, weights, activity levels, and sleep patterns.

Just stop it already.

> Before you freak out: Fitbit’s data is anonymized. Your name is stripped off, and your data is thrown into a huge pool with everybody else’s. (Note, too, that this data comes only from people who own Fitbits — who are affluent enough, and health-conscious enough, to make that purchase. It’s not the whole world.)

"Anonymized". Just with the data posted above, it seems like it'd be pretty easy to correlate the data to a person. And auto-enrolling everyone who buys a health product is not an excuse to mine all their data.

parent saagarjha 8 years ago

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