Everyone uses email today, for everything from communicating with friends and colleagues to using your email address as your online passport. Nearly every app and service you sign up for today requires an email address, as do most loyalty cards, contest entries, and more. It’s nice to have one address for everything, but getting dozens of email each day that you really don’t want isn’t nice. Plus, it’s far from uncommon for stores to have their databases hacked these days, leaving your email address all the more likely to end up on spam lists. Then, there’s the fact that it’s nearly impossible to do anything 100% privately. There’s a number…