Sinan Aral, David Austin Professor of Management at MIT and DIrector of MIT's Initiative on the Digital Economy, discusses his new book "The Hype Machine: How Social Media Disrupts Our Elections, Our Economy, and Our Health—and How We Must Adapt." Prof. Aral breaks down key theoretical concepts from the book, which outlines some of the fundemental mechanisms for how social media platforms operate. We also discuss the science behind these concepts and they implications they have for elections, politics, and society.