Surprisingly, even this I disagree with. Simply buying one nudges the healthcare world to a more data driven place, and simply wearing one provides data and feedback to the ecosystem that will have a positive value.
That being said, yeah you should look at the data if you personally want to benefit.
Personally, I'm fairly active--at least at a walking level of activity day to day--and quantifying the number of steps I take or whatever just doesn't really do anything for me.
But I'm a big believer in nudges generally and I expect that, over time, we'll see more and more data that is more directly actionable. I just don't really see it (for me) today.
Betting against this trend would be like betting against toothbrushes and floss.
Unless a fitbit convinces my insurance company to drop their rates in half, I'm not saving thousands. If I google insurance savings I see... they'll get me a moderate discount on the fitbit itself.
