Great point -- that's why I put the "almost" in "almost all". Nothing you change on your own device prevents other people giving information about you. On the o

Great point -- that's why I put the "almost" in "almost all". Nothing you change on your own device prevents other people giving information about you. On the other hand, if we move toward a world where being secure and protective of one's own data is the technological default, I expect we would see a lot less of things like "give Facebook access to my contact list".