from https://tapatalk.com/privacy-policy.php

We provide features in the Service that allow you to follow other users or Sites. These features will also allow other users to follow you or follow specific threads that you make via the Service. In the event that you do not want to allow other users to follow you or your threads, please visit the Settings section in the Application to make certain information private where available. In addition, we provide a feature for you to invite your friends to use the Service.

this page is like psych centrals info before registering. you read is and when you activate the taptalk app you have to "agree" with these terms of use when you register for taptalk account. many people dont read it they just end up clicking on agree and continue making their member log in\profile and such.