Something You Should Know Something You Should Know

Why You Don't See What's Right in Front of You & The Surprising Truth About Sidewalks

Jul 30, 2026 · 50m

Summary

Host Mike Carruthers explores how background music in stores subtly influences consumer behavior and spending habits. He then interviews illusionist Keelan Lacer about cognitive blind spots, explaining how the brain filters information and why this leads to dangerous oversights in fields like medicine and aviation. Finally, legal scholar Michael Pollack discusses the complex laws surrounding sidewalk ownership, maintenance responsibilities, and their role as public forums for free speech.

Topics discussed

Intro ads: Dell XPS and Wayfair shopping experience How background music influences shopping and dining behavior Introduction to cognitive blind spots and sensory filtering The Invisible Gorilla experiment and selective attention Real-world dangers: Aviation, medical, and space disasters Managing blind spots and social media manipulation tactics Shared blind spots and groupthink in decision making Mid-roll ads: Indeed jobs and Gatorade hydration Magician Keelan Lacer on misdirection and visual processing Optical illusions and how the brain corrects visual data False memories, eyewitness unreliability, and diversity Post-interview ad: Gatorade Zero Powders Introduction to the history and legal nature of sidewalks Origins of sidewalks and public vs. private property lines The controversy of private responsibility for public sidewalks Sidewalks as public forums for free speech and protest Inconsistent infrastructure and the case for public funding Outro ads: Smart shopping, Uber Eats, and Verizon NFL
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