Knowing where people live is huge. You've got to think of like social media like a Siroku puzzle for a hacker. I might not be able to fill in all the numbers. But by giving me enough information, things like where do you work? Where do your kids go to school? Where's your favorite football team? And then I can brute force your password. So that's a danger of social media. We're all sharing videos and photos. Another risk of using it is you're constantly uploading these things to your phone. And you can get your phone hacked. Then we can infect an application like Facebook. So you're running now an evil Facebook that always leaves your camera