> I do think that users opting in is an insufficient response. A lot of users opt in for things they do not understand. (Terms and conditions of any site or app

> I do think that users opting in is an insufficient response. A lot of users opt in for things they do not understand. (Terms and conditions of any site or app for example). For tech savvy users with the plug in, they will be smart enough to know what they are accepting, though that is not true for everyone. Everything you just said here applies to Facebook themselves as much as the researchers. If we allow people to opt-in to sending data to Facebook (by creating an account), why would be against giving those same users the option to send the data somewhere else?