The document discusses how technology and social media have changed communication. It describes the shift from a "push" model, where information is broadcast widely, to a "pull" model, where individuals selectively follow topics and people that interest them. It also notes that social media can both empower individuals by allowing anyone to build an audience, as well as favor more powerful voices that already have large platforms. The document ends by emphasizing the importance of leaders being able to look forward and guide people towards a shared vision of the future.