[Music] [Applause] Have you ever tried to convince a diehard Ronaldo fan how Messi is clearly the better player. or told an Italian friend how pineapple actually belongs on pizza. If you have, you know how frustrating yet almost impossible it feels to change someone's mind.But why is this so difficult. The answer lies in what Harvard law professor Cass Sunstein describes as the information cocoon. The information cocoon is a social phenomenon.It describes how social media and news algorithm surround us with ...