Slideshow: Your privacy invaded—a history

It’s a lot harder to keep things private in 2015 than it was just 50 years ago. With a quick Google search, it’s easy to uncover a person’s age, residence, employer, interests, and even their Ph.D. thesis. But privacy invasion is nothing new—it’s just gotten a lot easier. Here’s a brief history.

For more on privacy and to take a quiz on your own privacy IQ, see “The end of privacy” special section in this week’s issue of  Science.