I think most people here are missing the point. You need not convince them that they do have something to hide, or that other people have good reasons for hiding things. The key point is that you do not get to decide if you have something to hide . When you share data extensively with companies or the government, they now have the power to use it to make decisions about you. They may use that power in ways you disagr…
I care about my privacy, but everything I've put on Facebook is public as far as I'm concerned. I don't care that they are using that information to profile me and serve ads for things I might like because I posted there with full knowledge of that. If I want something to be private, I don't put it on Facebook (or other social networks).