Sahil Bloom Profile picture
Writing threads to demystify business and finance. Investor, advisor and educator. Gave up a grand slam on ESPN in 2012 and still waiting for it to land.
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13 Apr
The Audience Building Course

I’m excited to announce that my friend @Julian and I will be co-teaching a live sprint course on the art and science of audience building for Twitter and newsletters.

If you’re interested, apply to join at the link below!…
We will be teaching the sprint course in early June and will cover a variety of topics related to audience building.

It is designed to be tactical and provide course participants with everything @Julian and I wish we knew when we were getting started on our own creator journeys.
This course is for founders, creators, and builders looking to learn the ins and outs of audience building.

Participants will learn alongside a community of passionate, positive-sum individuals and have the opportunity to build circles to co-promote and grow.
Read 7 tweets
12 Apr
The story of the last few weeks in finance has been the secretive rise and rapid downfall of Archegos Capital Management.

A thread on the underlying mechanics of the Archegos saga and how a $20 billion fortune vanished into thin air...
First, let’s set the stage.

Archegos Capital Management is the family office of Bill Hwang, a former prodigy of hedge fund legend Julian Robertson.

Hwang previously built Tiger Asia Management - a so-called “Tiger Cub” fund due to its lineage from Robertson’s Tiger Management.
Bill Hwang grew Tiger Asia Management into a highly successful hedge fund, reaching ~$10 billion in assets under management in the 2000s.

He was a bit of an anomaly in the world of high finance - known as a devout Christian with simple tastes (seriously, he drives a Hyundai!).
Read 26 tweets
10 Apr
Kaizen is a powerful concept for unlocking growth in your career, startup, business, writing, or life.

A short thread on what it means and the magic of continuous improvement...
Kaizen is a Japanese word meaning “improvement.”

In practice, the term is used to convey continuous improvement.

It is a dynamic process - ongoing, incremental, compounding daily improvements.
The origin of the concept of Kaizen is long, winding, and global in nature.

In the 1930s, Walter Shewhart - a Bell Labs engineer - had developed the Plan-Do-Study-Act System (PDSA) to assess the effectiveness of organizational changes in driving continued business improvement.
Read 11 tweets
3 Apr
Focus is a competitive advantage.

But in a noisy world, it is increasingly difficult to find.

5 tactics for finding focus in your career, startup, or life:
Eliminate Low-Value Decisions

Mark Zuckerberg is famous for having only one outfit in his closet.

While an extreme example, there is a lesson here:

Eliminate decisions that require energy but do not create commensurate value.

Redeploy that energy into high-value decisions.
Sprint Then Rest

The human mind is not designed to be on at all times. It needs rest.

Work in short blocks (1-2 hours).

You can schedule the blocks - I call it "deep work" on my calendar - or leave yourself more flexibility.

Use biology to your advantage: sprint then rest.
Read 9 tweets
1 Apr
On April 1, 1996, Taco Bell took out full page ads in six major newspapers to announce a transformative acquisition.

A thread on one of the greatest April Fools’ Day pranks (and viral marketing campaigns) of all time...
Taco Bell is a chain of fast food restaurants offering attractively-priced, Mexican-inspired foods.

It was founded by Glen Bell in Downey, California in 1962.

By 1996, it had thousands of locations around the world.

The organic growth was great, but the team had bigger plans.
Management got to work.

After planning in secret for several months, they prepared to make a big, splashy announcement.

On April 1, 1996, they were finally ready.

Taco Bell ran a full page ad in six major U.S. newspapers announcing a transformative acquisition.
Read 9 tweets
28 Mar
Ikigai is a powerful concept for finding purpose and clarity to unlock growth in your career, startup, business, writing, or relationships.

A thread on its meaning and how it can change your life...
Ikigai is a combination of the Japanese words “iki” (or “life”) and “gai” (a term to describe value or worth).

It roughly translates to “reason for being.”

It is all-encompassing - it is not simply about work, money, or success - it is about the full scope of your existence.
Ikigai is the point of balance and harmony in your life and work.

It is found at the intersection of:
(1) What you love to do
(2) What you are good at
(3) What the world needs
(4) What you can be paid for

Importantly, it is at the nexus of passion and practicality.
Read 12 tweets
26 Mar
The story of the week in the business world is the complete blockage of the Suez Canal by a massive container ship.

Weighing 200,000 metric tons, dislodging the ship is no easy problem to solve.

But while it happened in 2021, the roots of this problem date back to 1937...
A thread on Malcolm McLean, containerization, and how it changed the world...
For more on the current Suez Canal blockage, the history of the Suez Canal, and its impact, check out this great article from the @nytimes.…
Read 5 tweets
20 Mar
To outperform, you need serious competitive advantages.

But contrary to what you have been told, most of them don't require talent.

10 competitive advantages that you can start developing today:
Intellectual Curiosity

Intellectual curiosity is a real-world superpower. We all have it, but most will never embrace it.

For the curious mind, anything is possible.

Fortune favors the curious mind.
Comfort with Discomfort

We are conditioned to avoid discomfort, so most of us do.

The problem?

Discomfort leads to growth. It is an absolute necessity.

If you train yourself to accept and embrace discomfort, you will always have an edge.
Read 14 tweets
17 Mar
Hanlon's Razor is a simple mental model for cutting through negative noise and unlocking growth in your career, startup, business, or relationships.

A short thread on what it is and how it can change your life...
A philosophical "razor" is a principle or rule of thumb used to simplify a decision.

The "razor" quite literally cuts through the unnecessary detail, noise, and information that slows our decision-making processes.

Razors can promote quick, rational, high-quality decisions.
Occam's Razor is the most well-known of the philosophical razors.

It says that when you are weighing alternative hypotheses, the one with the fewest necessary assumptions should be chosen.

In short: simple is beautiful.

I wrote on Occam's Razor below.
Read 15 tweets
14 Mar
First principles thinking is a powerful mental model for driving non-linear outcomes. It also requires a willingness to ask difficult, uncomfortable questions.

Here are a few to help you get started:
What is the problem I am trying to solve?

We often waste time and energy trying to solve the "wrong" problem.

Identify the "right" problem before you start trying to solve it.
What do I know to be true about this problem?

Write down everything you know about the problem (and its previously attempted solutions).
Read 11 tweets
11 Mar
The story of the last few weeks in finance has been the bond market volatility and its impact on equity markets.

A thread on the basics of bonds, yields, and the yield curve to help you make sense of it all...
1/ First, a few quick definitions.

A bond is a loan given to a borrower (usually a company or government) from an investor.

The borrower is said to "issue” a bond, putting it up for sale.

Investors “buy” the bond, providing the loan.
2/ The bond has a "maturity date" on which the borrower must return the remaining principal balance to the investor.

It has a "coupon rate" - the interest rate the borrower has to pay the investor as compensation for taking the risk of loaning money.

High Risk = High Coupon.
Read 21 tweets
7 Mar
Dennis Ritchie is the most influential man you've never heard of.

A thread on the life and legacy of the incredible technology pioneer...
1/ Dennis MacAlistair Ritchie was born to a middle-class family on September 9, 1941, in Bronxville, New York.

His father, Alistair, was a scientist at Bell Labs, the famous American scientific research and development company known for its track record of innovation.
2/ From a young age, it was clear that Dennis Ritchie had an intrinsic aptitude for science and math.

He excelled in his studies.

Upon graduation from Summit High School in 1959, he packed his bags and moved north to attend Harvard University.
Read 20 tweets
28 Feb
Memento Mori is a powerful philosophical tool for finding clarity and unlocking growth in your career, startup, business, writing, or relationships.

A thread on its meaning and how it can change your life...
Memento Mori is a Latin phrase that translates to "remember that you must die."

A favorite of Stoic philosophy, it is a reminder of the certainty and inescapability of death.

It is not intended to be morbid or dark; rather, to clarify, illuminate, and inspire.
Memento Mori - the idea of remembering your mortality - has been around for millennia.

The phrase itself is believed to have originated in the Roman Empire.

After military victories, the heroes were paraded through the streets on chariots.

They may have felt like Gods...
Read 14 tweets
24 Feb
The @JeffBezos Regret Minimization Framework is a simple yet powerful mental model for making important decisions and unlocking growth in your career, startup, business, relationships, or life.

A short thread on how it works and how it can change your life...
Jeffrey Preston Bezos is an American entrepreneur and technologist.

He is most well known as the founder and CEO (soon-to-be executive chairman) of Amazon and the founder of Blue Origin.

A legendary figure today, he may have remained anonymous if not for one key decision.
In 1994, at age 30, Jeff Bezos was a star at D.E. Shaw, a successful quant-focused hedge fund.

He was on a lucrative path.

But he had become obsessed with a new thing called "the internet" and its power to change the world.

He had a vision of participating in that future.
Read 11 tweets
20 Feb
As we strive for success, we mustn't lose sight of what is truly important along the way.

The parable of the fisherman and the investment banker: on life, career, business, and finding purpose...
A wealthy investment banker goes on vacation to a tropical fishing village.

As he walked along the docks one afternoon, he came upon a small, run-down fishing boat with several large fish on its deck.

"How long did it take you to catch those fish?" he asked.
The fisherman looked up from his work and smiled at his new visitor.

"Only a little while."

The investment banker was caught off guard by this response.

He liked the fisherman and wanted to help.

"Why don't you fish for longer so you can catch more fish?"
Read 14 tweets
16 Feb
The Eisenhower Decision Matrix is a powerful tool for prioritizing your time and unlocking growth in your career, startup, business, relationships, or life.

A thread on how it works and how it can change your life...
Dwight D. Eisenhower was an American military officer and politician.

He was a five-star general in the United States Army and the first Supreme Commander of NATO.

After his military career, he was elected as the 34th President of the United States, serving from 1953 to 1961.
In both his military and civilian careers, Eisenhower stood out for his prolific productivity.

His secret?

Eisenhower observed that people often confuse the urgent with the important. He did not.

"What is important is seldom urgent and what is urgent is seldom important."
Read 16 tweets
14 Feb
In a noise-filled world, mental models are a powerful tool for identifying signal and making great decisions.

I sat down with @treylockerbie @PrestonPysh and @stig_brodersen to discuss mental models and how they can supercharge your life.

Check it out! Image
For more on mental models, check out my meta-thread of five powerful mental models for driving non-linear outcomes in your investing, business, and life.
If you enjoyed this, follow me for more threads on mental models, business, money, finance, and economics. You can find all of my threads in the meta-thread below.
Read 4 tweets
13 Feb
I turned 30 recently.

While far from old and wise, I have learned a few things along the way - on life, business, writing, investing, and growth.

Here are a few important lessons learned...
Embrace Failure

Put simply, failure leads to growth.

Do not hide from failure. Seek it out. Allow yourself to be uncomfortable. Embrace it.

The most transformative moments in your life will always come from failures.
Stand on the Shoulders of Giants

As Isaac Newton famously wrote, “If I have seen further, it is by standing on the shoulders of giants.”

You will only go as far as you can see.

Seek out mentors who champion your cause and empower you to see further.
Read 10 tweets
10 Feb
Network Effects 101

The concept of network effects is a powerful mental model through which to evaluate businesses, startups, money, human societies, and nature.

But what are “network effects” and how do they work?

Here's Network Effects 101!
First, a few definitions.

A network effect is a phenomenon by which each incremental user of a product or service adds value to the existing user base.

The product or service becomes more valuable to the users as more people use it.

It is a positive feedback loop.
The idea originated with Theodore Vail, the president of American Telephone and Telegraph (AT&T).

In the company's 1908 annual report, Vail wrote, "[The telephone's] value depends on the connection with the other telephones — and increases with the number of connections."
Read 22 tweets
6 Feb
The Feynman Technique is a foundational mental model for unlocking growth in your career, startup, business, or writing.

A thread on how it works and how it can change your life... Image
Richard Feynman was an American theoretical physicist.

He won the Nobel Prize in Physics in 1965 for his groundbreaking work in quantum electrodynamics.

Feynman's true genius, however, was in his ability to convey extremely complex ideas in simple, digestible ways. Image
Richard Feynman observed that complexity and jargon are often used to mask a lack of deep understanding.

The Feynman Technique is a learning framework that forces you to strip away needless complexity and develop a deep, elegant understanding of a given topic.
Read 17 tweets
3 Feb
THREAD: Robinhood and other brokerages came under fire last week for restricting trading in certain securities, including $GME and $AMC.

A thread simplifying the underlying mechanics of this drama and explaining why our archaic T+2 settlement system is to blame...
1/ First, if you're unfamiliar with the backdrop to this story, here are the basics.

GameStop (and other "meme stocks") saw a massive price spike last week.

There were fundamental and technical reasons for the rise.

My thread below is a helpful primer.
2/ On Thursday, several brokerages, including the popular @RobinhoodApp, halted or restricted trading in many of these stocks.

The public outcry was immediate (and very loud).

Amazingly, it even had @AOC and @TedCruz agreeing on something.
Read 22 tweets