Privacy is easier to manage when there's a set of rules that you can put in place. It's a specialist issue. You don't have to become privacy experts. Know that there are ten privacy commandments. Remember that there are ten commandments in Christianity, in religion, if that's what your bag is, and you're supposed to be following them.
Remember, consent is crucial. Consent cures all. Most of the time you're engaged in consensual activity. I'm telling you things about myself because I choose to make a point, but other stories I'm telling you are anonymous.