Dr. Bronner's is the best. My mom had Dr. Bronner's around since I was a little kid, and I've used it in the shower as soap ever since.
I like to bring my kids to the voting booth to show them how it works. I'll let them draw their own conclusions as to how worthwhile it is.
We're now seeing email that people thought they had deleted showing up as evidence in court. You can't erase email. As that becomes more commonly realized, people will be a little wiser about what they type.
While that wasn't first and foremost in my mind, you can't get into this without being struck, on one side, by how far we've come, and then the other side, by how little things have changed.