Robin Hood Math, Noah Giansiracusa
Robin Hood Math, Noah Giansiracusa
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Robin Hood Math
Take Control of the Algorithms That Run Your Life

Author: Noah Giansiracusa

Narrator: Dan Bittner

Unabridged: 5 hr 57 min

Format: Digital Audiobook Download

Publisher: Penguin Audio

Published: 08/05/2025

Synopsis

How the rich and powerful use math to exploit you, and what you can do to beat them at their own game

    Everything we do today is recorded as data that's sold to the highest bidder. Plugging our personal data into impersonal algorithms has made government agencies more efficient and tech companies more profitable. But all this comes at a price. It's easy to feel like an insignificant number in a world of number crunchers who care more about their bottom line than your humanity. It's time to flip the equation, turning math into an empowering tool for the rest of us.

    Award-winning mathematician Noah Giansiracusa explains how the tech giants and financial institutions use formulas to get ahead—and how anyone can use these same formulas in their everyday life. You’ll learn how to handle risk rationally, make better investments, take control of your social media, and reclaim agency over the decisions you make each day. 

    In a society that all too often takes from the poor and gives to the rich, math can be a vital democratizing force. Robin Hood Math helps you to think for yourself, act in your own best interests, and thrive.

About The Author

Noah Giansiracusa is an associate professor of mathematics at Bentley University, a visiting scholar at Harvard University, and the author of How Algorithms Create and Prevent Fake News. His writing has appeared in Scientific American, Time, Wired, Slate, and The Washington Post, among others, and he has been featured as a guest on CNN, BBC Radio 4, and Newsmax. Giansiracusa lives in Acton, Massachusetts, with his wife, two kids, two dogs, and twelve chickens.

Reviews

Goodreads review by Annahita on July 30, 2025

Thank you to Riverhead Books for the #gifted finished copy of Robin Hood Math by Noah Giansiracusa, publishing August 5! As a words person (hi, comms-nerd here!), I’ve never naturally gravitated toward numbers. But this one caught my eye as a way to stretch myself, and I’m so glad I picked it up. Robi......more

Goodreads review by Scott on April 30, 2025

What a fun and helpful read! If you’ve paid attention to many of the social media and online search/buying scandals, you’ll be familiar with what Giansiracusa details in this book. If you’ve thought about better ways to spend time on (or avoid) social media apps, many of the recommendations will fee......more

Goodreads review by Shaun on September 01, 2025

The math is pretty simple with weighted sums/ averages, some predictions and beyes with decent examples including how social media ranking methods. Didn’t need the last chapter on progressive tax recommendations 🤷‍♂️ but overall a good and very easy read.......more

Quotes

“Full of engaging stories about how ideas about calculation took shape, [Robin Hood Math] reveals how algorithms intersect with our everyday lives… a lively and engaging storyteller we all need to hear.” –Kirkus

“[A] cogent and breezy account… Throughout, Giansiracusa optimistically illustrates how math can help an individual regain autonomy and makes a solid case that it ‘can help you consider your options more clearly and make your decisions more thoughtfully.’ This successfully brings math to the people.” —Publishers Weekly

 “Great clarity, easy-to-understand examples, and plenty of humor. . . . Even the most math-averse readers can find engagement and empowerment in this highly accessible work.” —Library Journal

“This concise book shows that anyone can understand the math used by the big-tech manipulators; anyone can take advantage of the algorithms; anyone can respond thoughtfully to the risks, opportunities, and proliferating digital predators of our brave new world. Its engaging stories and clear explanations offer practical advice and grounds for optimism.” —Paul Romer, Nobel laureate, University Professor in Economics at Boston College, and former Chief Economist of the World Bank

"Rule by algorithms scares a lot of people, and it probably should. In Robin Hood Math, Noah Giansiracusa shows how with a little math training of your own, you can see what the algorithms are trying to hide from you, and even better, take back your own decision-making power." —Jordan Ellenberg, New York Times bestselling author of Shape and How Not to Be Wrong

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