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Person

Sam Tatum

Author, Evolutionary Ideas

Author of Evolutionary Ideas. First appearance (Episode 87, chronologically earliest despite the lower episode numbers below being ingested first) — this resolves Episode 146's "a previous episode of Nudge" reference, which pointed here. Explains his book's central thesis — true innovation is rare (only 1% of reviewed patents were genuinely novel; 95% of patented "solutions" already existed elsewhere) — via the Shinkansen bullet-train biomimicry story (owl feathers and Adélie penguins solved a pantograph noise problem; a kingfisher's beak solved a tunnel-boom problem), then several marketing/psychology examples: Van Halen's brown M&M clause, the "canary in a coal mine" as an honesty signal, Red Dead Redemption 2's horse-detail marketing stunt, Katz's Deli tip jar and a café "regulars wall," and Octopus Energy publicly telling customers not to switch to it yet — all framed through Costly Signaling (see Van Halen Brown M&M Clause Signaling Case, Red Dead Redemption 2 Horse-Detail Signaling Case, Octopus Energy 'Don't Switch Yet' Honesty-Signal Case (2022), Katz's Deli Tip-Jar Anchoring Case, Café 'Regulars Wall' Social-Proof Case, Transparent Donation-Box Denomination-Anchoring Study).

Second chronological appearance (Episode 88), on the labour illusion. Distinguishes operational transparency (showing genuinely-occurring effort, e.g. teppanyaki cooked in view of diners) from the labour illusion proper (implying effort that isn't actually occurring, e.g. a computer-generated bank teller's voice played over simulated typing sounds, or an ATM showing an animation of notes being counted). Cites Finish's red "Powerball" dishwasher-tablet colouring and Aquafresh's red/white/blue triple-stripe toothpaste as product-design uses of the same mechanism — visually segmenting a product to make its work legible, even where the colouring is purely cosmetic dye. Gives further transparency-marketing examples: a New York dairy listing the names of the specific cows behind each yogurt tub, Monteith's cider deliberately (and initially without explanation) shipping actual orchard twigs in every case, and Intermarché branding its orange juice with the exact minute it was squeezed. Also cites Ben-Gurion University of the Negev research on non-functional pedestrian crossing buttons reducing jaywalking (see Negev University Pedestrian-Button Jaywalking Study).

In Episode 146, cited for the idea that innovations often come from combining unrelated disciplines — the bullet train's design was inspired by a train technician who was also a bird watcher, and Velcro was inspired by engineer George de Mestral noticing burrs sticking to his dog's fur while hunting. In Episode 148, his book Evolutionary Ideas is cited for the banana-peel warning cone study, finding a banana-shaped cone 22 times more effective than a standard cone at slowing pedestrians (see Banana-Peel Warning Cone Study). In Episode 166, cited again for a simple example of operational transparency: London Underground elevator lights showing waiting passengers where the lift currently is in its journey, easing commuter stress with just a visual progress indicator (see Domino's Pizza Tracker Transparency Case).

Discussed in

  • Episode 87 — Your Great Ideas Aren-t Unique -Here-s Why That-s a Good Thing (first appearance)
  • Episode 88 — Think Customers Hate to Wait- Think Again (labour illusion)
  • Episode 146 — 146-do-brainstorms-actually-work (referenced)
  • Episode 148 — 148-why-powerful-people-dress-differently
  • Episode 166 — 166-should-i-share-all-my-secrets (London Underground elevator lights)

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