Eli Pariser, a technologist and advocate for online democracy, dives into the evolving role of social media as public spaces. He discusses the ethical obligations these platforms have toward society, touching on issues of misinformation and division. Pariser draws intriguing parallels between social media design and urban planning, emphasizing that online communities should foster trust and diversity. He argues for a responsible approach to content moderation and algorithm transparency, aiming to create enriching digital experiences that serve the greater good.