It’s gotten to the point where the tech giants know more about you than the government does. Take it from Yael Eisenstat, who served as a CIA officer, a diplomat in East Africa, and an adviser to Vice President Biden before joining Facebook in 2018 to tackle its election meddling problem. “I get to make this joke—not everyone does, having been in both places—but Facebook knows you better than the CIA ever will,” she says. “Facebook knows more about you than you know about yourself.”