Facebook knows about the birthday gifts you bought on Amazon, has archived all your embarrassing high school breakup statuses, and knows exactly where your mom finds those religious motivational memes she sends to everyone. Unsurprisingly, it also has an idea about your political leanings. And even if you think you’ve managed to outwit Mark Zuckerberg by not posting that photo in your “Make America Great Again” hat, and keeping your political rants to a minimum, you haven’t.