Fake news, echo chambers, filter bubbles: how much do they REALLY create or influence people’s opinions on politics, or anything else? What is the real “polarization” created by social media like Facebook, and what are its real consequences, if any? In this post I have collected some tweets, quotes and links showing that, as Facebook would say “it’s complicated”. But real. It's complicated The starting point is the New York Times article titled “Fake News and Bots May Be Worrisome, but Their Political Power Is Overblown”, whose subtitle is “It’s very hard to change people’s minds, especially when so many are already committed partisans.