The quip "if you've got nothing to hide, then why don't you write all your letters on postcards?" got people thinking about privacy back in the day. Unfortunate

The quip "if you've got nothing to hide, then why don't you write all your letters on postcards?" got people thinking about privacy back in the day. Unfortunately, people don't use regular mail anymore. And what's even sadder is that we ultimately ended up writing all of our letters on postcards with email.