Summary of Mental Models I Find Repeatedly Useful

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8 Overall

10 Applicability

6 Innovation

8 Style


Gabriel Weinberg, founder of the search engine DuckDuckGo, has compiled a list of models, concepts, phenomena and theories that have helped him understand and solve problems. He provides pithy explanations and links for further study. getAbstract recommends browsing this useful collection and bookmarking it for future reference.

In this summary, you will learn

  • How “mental models” can aid your comprehension of the world and
  • Which specific models DuckDuckGo founder Gabriel Weinberg recommends.

About the Author

Gabriel Weinberg is the founder and CEO of the search engine DuckDuckGo and the co-author of Traction: How Any Startup Can Achieve Explosive Customer Growth.



According to Berkshire Hathaway vice chairman Charles Munger, “80 or 90 important models will carry about 90% of the freight in making you a worldly-wise person.” To broaden your understanding of the world and to help you solve everyday problems, study “mental models” and learn to employ them.

According to the “Fundamental Attribution Error,” people too often look at a person’s individual character to explain his or her behavior and neglect to credit external or situational factors. The related “Hanlon’s Razor” cautions never to assume “malice” where “...

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