Neither companies not governments should have people's information at their fingertips. Ok, maybe on foreign spies, yes, by all means, but not for citizens. They should not have that kind of information on people. This is something we used to make fun of the Stasi for --and they didn't have THIS capability. But, yet here we are happy to accept it these days.

Gay bars. The homes of people who have been to gay bars. Synagogues.