" Twitter, Reddit, Tumblr, Instagram, all these companies are businesses first, but, as a close second, they’re demographers of unprecedented reach, thoroughness, and importance. Practically as an accident, digital data can now show us how we fight, how we love, how we age, who we are, and how we’re changing. All we have to do is look: "

― Christian Rudder , Dataclysm: Who We Are (When We Think No One's Looking)