Dan Hancox, author of "Multitudes, How Crowds Made the Modern World," dives into how crowds shape society from Notting Hill carnival-goers to raves. He discusses the dual nature of crowds, both as chaotic forces and powerful collectives. Lisa Mueller, a political scientist, shares insights from her research on protest dynamics, revealing that cohesiveness in crowds leads to greater success. Analyzing British protests, she emphasizes the importance of unified goals in achieving meaningful change.