Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin book cover

Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin by Lawrence Weinstein Summary

Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin
Lawrence Weinstein
3.74 (424 Reviews)
Politics
American History
Biography
Resumen
Puntos Clave
Autor
Preguntas Frecuentes

Overview of Guesstimation 2.0: Solving Today's Problems on the Back of a Napkin

Master the lost art of estimation with "Guesstimation" - where napkin math solves real-world puzzles. Neil deGrasse Tyson praises how it "gleams with insight," while top employers now use these skills to test job candidates. Ready to calculate anything?

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The Art of Back-of-Napkin Problem Solving

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Have you ever wondered how many piano tuners work in Chicago? Or how many golf balls would fit in a school bus? These seemingly impossible questions become solvable puzzles with the right mental toolkit. Guesstimation isn't about precision-it's about finding answers that are "good enough" to guide decisions. The revolutionary insight here is simple but powerful: dare to be imprecise! Most real-world problems don't require exact answers; they need reasonable approximations that tell us whether something is too big, too small, or just right. When Google interviewers ask candidates these quirky estimation questions, they're testing a fundamental skill that separates analytical thinkers from the crowd-the ability to break complexity into manageable pieces. The beauty lies in accessibility. You don't need advanced mathematics or specialized knowledge-just a willingness to make reasonable assumptions and embrace imprecision. Being within a factor of ten (10x) of the actual answer is often perfectly sufficient. Think about everyday decisions: Is it worth driving across town to save $5 on groceries? Will installing solar panels pay off? Rather than getting lost in complex calculations, estimation helps determine if options fall into the "worth it" category through simple division and conquest.

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Creado por exalumnos de la Universidad de Columbia en San Francisco

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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

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@Cashflowbubu
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@Moemenn
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@Chloe, Solo founder, LA
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@Raaaaaachelw
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@Erin, Investment Banking Associate , NYC
platform
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