This document summarizes Marshall McLuhan's theory of "hot" and "cool" media and applies it to television and Twitter. It discusses how McLuhan viewed television as a cool medium that encourages passive consumption of content. However, with the rise of social media platforms like Twitter that allow real-time public discussions around television programming, viewers engagement and interaction with television content has increased, transforming television into a more interactive medium. The document analyzes how Twitter has changed the relationship between audiences and television by facilitating widespread conversations about shows.