Facebook keeps suggesting I become friends with people I barely know or don’t know at all.Google keeps asking where I live so companies can try and sell me stuff they think I need.My local supermarket knows that someone in our home can't eat gluten, because it keeps spitting out coupons for gluten-free stuff it wants me to buy.And of course, every Medicare supplement plan huckster, insurance company broker and political party on the planet calls our phone or sends [...]