I... honestly don't care about my data privacy that much. These things aren't processed by people, but machines. The worst that'll happen is that I get targeted advertisement. And, why not, if I'm getting ads, anyways.
If that contributes to make free services of higher quality, so be it.
Bet with PeH:
I win if Arms sells over 700 000 units worldwide by the end of 2017.
Bet with WagnerPaiva:
I win if Emmanuel Macron wins the french presidential election May 7th 2017.