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Sahil Bloom Profile picture
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25 Dec, 7 tweets, 2 min read
This year, I shared 70+ educational threads on business and finance.

It was all free. I believe education is a fundamental human right and this was my way of giving back.

Here are my 5 favorite threads. Tag a loved one to regift and share the wealth! Merry Christmas!

👇👇👇
1/ First Principles Thinking
2/ The Cantillon Effect
3/ The Cobra Effect
4/ The Power of Compounding
5/ Mr. FEDerico Goes to the Market
I hope you have all enjoyed following this journey and that you’ve learned a thing or two along the way.

As always, you can find all of my threads in the meta-thread below. Turn on post notifications so you don’t miss the exciting stuff coming in the year ahead!

Cheers!

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More from @SahilBloom

Sahil Bloom Profile picture
24 Dec
Second-Order Thinking 101

We live in a world of complex systems that punish simple, linear thinking. The greatest minds consistently use second-order thinking to solve problems.

But what is "second-order thinking" and how does it work?

Here's Second-Order Thinking 101!

👇👇👇
1/ First, a few definitions.

First-order thinking focuses exclusively on solving an immediate problem, without regard for any potential consequences.

To paraphrase the words of the great @HowardMarksBook, it is "simplistic and superficial, and just about everyone can do it."
2/ Second-order thinking moves beyond the immediate problem and considers the multiple layers of implications and consequences of a given decision.

In short, it looks past the simple first-order effects of a decision and deeply examines the second, third, and Nth-order effects.
Read 17 tweets
Sahil Bloom Profile picture
21 Dec
One entrepreneur was raised in a tiny log cabin in Russia but went on to build an empire in the United States.

Her amazing life is the embodiment of the American Dream.

Who's up for a story?

👇👇👇
1/ Rose Gorelick was born in December 1893 in a small village in present-day Belarus.

Rose and her seven siblings lived simply in a tiny log cabin home.

Both of her parents worked - her father as a Rabbi and her mother at a small store - but they struggled to make ends meet.
2/ To help the family get by, Rose began working in her mother's store starting at age 6.

She took to the work immediately.

By the time she was 16, she was a manager and had 6 men reporting to her.

This would be the humble start of a long and illustrious career in retail.
Read 17 tweets
Sahil Bloom Profile picture
9 Dec
Survivorship Bias 101

History is written by the victors. But if we exclusively focus on these successes, we allow survivorship bias to distort our understanding of the world.

But what is "survivorship bias" and how does it work?

Here's Survivorship Bias 101!

👇👇👇
1/ First, a few definitions.

Survivorship bias is the logical error of concentrating on survivors (successes) and ignoring casualties (failures).

When we do so, we miss the true "base rates" of survival (the actual probability of success) and arrive at flawed conclusions.
2/ When we completely ignore failures, we lose our ability to correctly identify the differences between successes and failures.

Put simply, exclusively focusing on successes may actually inhibit our ability to identify (and replicate) the actions that led to such success.
Read 17 tweets
Sahil Bloom Profile picture
2 Dec
Overton Window 101

In 2020, as previously obscure and extreme policy actions have gained mainstream support, it appears the Overton Window has shifted.

But what is the "Overton Window" and how does it work?

Here's Overton Window 101!

👇👇👇
1/ First, a few definitions.

The "Overton Window" is the range of policies that are politically acceptable to the mainstream in a given society at a given moment.

If you place all policies on a spectrum of extremes, the Overton Window covers a subset of that spectrum.
2/ The term is named after Joseph Overton, the late executive at the Mackinac Center for Public Policy, a free-market, small-government think tank.

As part of fundraising for the organization, Overton created a brochure for potential donors explaining the role of a think tank.
Read 17 tweets
Sahil Bloom Profile picture
28 Nov
Tony Hsieh was a builder, investor, philanthropist, and self-proclaimed weirdo.

He inspired millions to think differently about happiness and embrace their own inner weirdness.

Here is the story of a beautiful man gone way too soon.

👇👇👇
1/ Tony Hsieh was born on December 12, 1973.

His parents, both Taiwanese immigrants, placed a strong emphasis on education, always pushing Tony and his younger brothers to excel in school.

Upon graduating high school in California, he left home to enroll at Harvard University.
2/ Having grown up in the San Francisco Bay Area in the very early days of the internet, he wanted to be a part of that world.

He graduated in 1995 with a degree in computer science, determined to build.

As a first step, he accepted a job at Oracle as a low level programmer.
Read 17 tweets
Sahil Bloom Profile picture
25 Nov
Lindy Effect 101

With Bitcoin's return to the spotlight, debates on its long-term viability are raging. Its proponents contend @nntaleb's Lindy Effect says the technology is here to stay.

But what is the "Lindy Effect" and how does it work?

Here's Lindy Effect 101!

👇👇👇
1/ First, a few definitions.

The Lindy Effect is a theory that the future life expectancy of specific non-perishable items, like a technology or idea, is proportional to their age.

Put simply, the longer it has already lasted, the higher the likelihood it will continue to last.
2/ The term "Lindy effect" is a reference to Lindy's, a New York deli frequented by comedians in the 1960s.

While author Albert Goldman used the term "Lindy's Law" in a 1964 article, it was mathematician Benoit Mandlebrot who moved the dialogue towards the current definition.
Read 12 tweets

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