![](https://blog.gdeltproject.org/wp-content/uploads/2018-forbes-medium-talk-how-use-our-data-1064x410.png)
Earlier this year Sandberg and Zuckerberg alluded to an ad-free subscription Facebook, but would ad-free really translate to surveillance free? Medium's vast archive of user data, its terms of service and its silence on how it uses all of that data offers a note of caution.