🧮 Calculating Devices

A fascination with the machines and instruments that preceded the digital age, from abacuses to mechanical computers, tracing humanity's long quest to automate thought.

Arithmetic

by Paul Lockhart • 2017

Arithmetic is a craft, not a grind. The elegant patterns hiding in every counting system.

3.92

236

🧠 Mathematical Thinking 📜 History Of Math 🔢 Number Representation

Arithmetic 90%

Arithmetic is a craft, not a grind. The elegant patterns hiding in every counting system.

by Paul Lockhart 2017

3.92

236 ratings

🧠 Mathematical Thinking 📜 History Of Math 🔢 Number Representation

Vector

by Robyn Arianrhod • 2024

Your GPS and AI depend on a 19th-century algebra that broke the rules of arithmetic.

4.05

163

🧮 History Of Mathematics ⚛️ Mathematical Physics 🔭 History Of Physics

Vector 90%

Your GPS and AI depend on a 19th-century algebra that broke the rules of arithmetic.

by Robyn Arianrhod 2024

4.05

163 ratings

🧮 History Of Mathematics ⚛️ Mathematical Physics 🔭 History Of Physics

Infinite Powers

by Steven H. Strogatz • 2019

GPS, planets, CT scans: one trick solves them all. Break the impossible into infinite tiny parts.

4.29

7k+

🔢 History Of Calculus 📐 Popular Mathematics 🧠 Mathematical Thinking

Infinite Powers 89%

GPS, planets, CT scans: one trick solves them all. Break the impossible into infinite tiny parts.

by Steven H. Strogatz 2019

4.29

7k+ ratings

🔢 History Of Calculus 📐 Popular Mathematics 🧠 Mathematical Thinking

Quantum Computing

by Brian Clegg • 2021

Online encryption relies on math no classical computer can crack. Quantum ones do it instantly.

3.64

306

🧪 Quantum Physics 💾 Computing History ⚛️ Quantum Computing

Quantum Computing 89%

Online encryption relies on math no classical computer can crack. Quantum ones do it instantly.

by Brian Clegg 2021

3.64

306 ratings

🧪 Quantum Physics 💾 Computing History ⚛️ Quantum Computing

Speed Mathematics

by Bill Handley • 2003

Calculate faster than a calculator using only a pencil, a circle, and simple subtraction.

3.98

146

🧮 Mental Arithmetic ✂️ Calculation Shortcuts ⚡ Rapid Calculation

Speed Mathematics 89%

Calculate faster than a calculator using only a pencil, a circle, and simple subtraction.

by Bill Handley 2003

3.98

146 ratings

🧮 Mental Arithmetic ✂️ Calculation Shortcuts ⚡ Rapid Calculation

Ada's Algorithm

by James Essinger • 2013

In 1843, Ada Lovelace wrote the first computer program and imagined machines that compose music.

3.27

2k+

🖥️ Early Computing 🔬 Women In Science 📚 Scientific Biography

Ada's Algorithm 89%

In 1843, Ada Lovelace wrote the first computer program and imagined machines that compose music.

by James Essinger 2013

3.27

2k+ ratings

🖥️ Early Computing 🔬 Women In Science 📚 Scientific Biography

Code

by Charles Petzold • 1999

How a simple switch, a telegraph relay, and Boolean logic became the modern computer.

4.40

11k+

💻 How Computers Work 🏗️ Computer Architecture 🔢 Digital Logic

Code 89%

How a simple switch, a telegraph relay, and Boolean logic became the modern computer.

by Charles Petzold 1999

4.40

11k+ ratings

💻 How Computers Work 🏗️ Computer Architecture 🔢 Digital Logic

Computer Power and Human Reason

by Joseph Weizenbaum • 1976

The computer's greatest danger isn't outthinking us; it's that we'll remake ourselves in its image.

4.31

294

🦾 Philosophy Of Technology 🤖 Ai Criticism ⚖️ Computer Ethics

Computer Power and Human Reason 89%

The computer's greatest danger isn't outthinking us; it's that we'll remake ourselves in its image.

by Joseph Weizenbaum 1976

4.31

294 ratings

🦾 Philosophy Of Technology 🤖 Ai Criticism ⚖️ Computer Ethics

Computational Thinking

by Peter J. Denning • 2019

It is a 4,500-year-old practice that built modern science, yet most confuse it with just coding.

3.63

304

💭 Computational Thinking 🕰️ History Of Computing 🎨 Design Thinking

Computational Thinking 89%

It is a 4,500-year-old practice that built modern science, yet most confuse it with just coding.

by Peter J. Denning 2019

3.63

304 ratings

💭 Computational Thinking 🕰️ History Of Computing 🎨 Design Thinking

A People’s History of Computing in the United States

by Joy Lisi Rankin • 2018

The PC erased a decade of shared computing where users were creators, not customers.

3.49

193

🏛️ People'S History 💻 Computing Before PCs 🎓 Educational Computing

A People’s History of Computing in the United States Summary

A People’s History of Computing in the United States 89%

The PC erased a decade of shared computing where users were creators, not customers.

by Joy Lisi Rankin 2018

3.49

193 ratings

🏛️ People'S History 💻 Computing Before PCs 🎓 Educational Computing

The Little Book of Mathematical Principles, Theories & Things

by Robert Solomon • 2008

A compact tour through math's biggest ideas: zero, infinity, and the proof that broke mathematics.

3.97

438

🏛️ History Of Mathematics 📐 Math Primers 🧱 Mathematical Foundations

The Little Book of Mathematical Principles, Theories & Things Summary

The Little Book of Mathematical Principles, Theories & Things 89%

A compact tour through math's biggest ideas: zero, infinity, and the proof that broke mathematics.

by Robert Solomon 2008

3.97

438 ratings

🏛️ History Of Mathematics 📐 Math Primers 🧱 Mathematical Foundations

Pluses and Minuses

by Stefan Buijsman • 2018

Three mathematical discoveries run your digital life; understanding them is simpler than you think.

3.41

290

🧮 Applied Mathematics 📜 History Of Mathematics 🔢 Mathematical Literacy

Pluses and Minuses 89%

Three mathematical discoveries run your digital life; understanding them is simpler than you think.

by Stefan Buijsman 2018

3.41

290 ratings

🧮 Applied Mathematics 📜 History Of Mathematics 🔢 Mathematical Literacy

How Data Happened

by Chris Wiggins • 2023

Data was never neutral. How statistics went from serving kings to fueling the attention economy.

3.54

467

🧮 History Of Statistics 🏛️ Data And Society ⚖️ Data Ethics

How Data Happened 89%

Data was never neutral. How statistics went from serving kings to fueling the attention economy.

by Chris Wiggins 2023

3.54

467 ratings

🧮 History Of Statistics 🏛️ Data And Society ⚖️ Data Ethics

Algorithms

by Panos Louridas • 2020

Twenty steps to find one item in a million, and the hidden logic that runs our world.

4.03

302

📐 Algorithm Design 💻 Computing Primers 🕸️ Graph Theory

Algorithms 89%

Twenty steps to find one item in a million, and the hidden logic that runs our world.

by Panos Louridas 2020

4.03

302 ratings

📐 Algorithm Design 💻 Computing Primers 🕸️ Graph Theory

Nine Algorithms That Changed the Future

by John MacCormick • 2012

The hidden algorithms behind search and security, and the one problem no machine can solve.

3.89

2k+

📘 Algorithms Explained 🧠 Computational Thinking 🌐 Digital Infrastructure

Nine Algorithms That Changed the Future Summary

Nine Algorithms That Changed the Future 89%

The hidden algorithms behind search and security, and the one problem no machine can solve.

by John MacCormick 2012

3.89

2k+ ratings

📘 Algorithms Explained 🧠 Computational Thinking 🌐 Digital Infrastructure

Once Upon an Algorithm

by Martin Erwig • 2017

What Hansel and Gretel, Sherlock Holmes, and Groundhog Day can teach you about algorithms.

3.63

265

🧠 Computational Thinking 📐 Algorithm Design 📖 Story-Driven Education

Once Upon an Algorithm 89%

What Hansel and Gretel, Sherlock Holmes, and Groundhog Day can teach you about algorithms.

by Martin Erwig 2017

3.63

265 ratings

🧠 Computational Thinking 📐 Algorithm Design 📖 Story-Driven Education

Automate This

by Christopher Steiner • 2012

Algorithms took Wall Street. Now they compose music, allocate kidneys, and profile personalities.

3.82

4k+

📈 Algorithmic Trading 🤖 Automation And Society 💻 Computational Thinking

Automate This 89%

Algorithms took Wall Street. Now they compose music, allocate kidneys, and profile personalities.

by Christopher Steiner 2012

3.82

4k+ ratings

📈 Algorithmic Trading 🤖 Automation And Society 💻 Computational Thinking

The Perfectionists

by Simon Winchester • 2018

From cylinders to microchips: the hidden pursuit of perfect smoothness that built the modern world.

4.15

7k+

🔧 History Of Technology 🏭 Industrial Revolution 🔍 Microhistory

The Perfectionists 89%

From cylinders to microchips: the hidden pursuit of perfect smoothness that built the modern world.

by Simon Winchester 2018

4.15

7k+ ratings

🔧 History Of Technology 🏭 Industrial Revolution 🔍 Microhistory

Computing machinery and intelligence

by Alan M. Turing • 1950

Fool the interrogator through conversation alone, and the machine deserves to be called intelligent.

4.15

574

🧠 Philosophy Of Mind 🤖 Machine Cognition 📜 Foundational Texts

Computing machinery and intelligence Summary

Computing machinery and intelligence 89%

Fool the interrogator through conversation alone, and the machine deserves to be called intelligent.

by Alan M. Turing 1950

4.15

574 ratings

🧠 Philosophy Of Mind 🤖 Machine Cognition 📜 Foundational Texts

Computer Science Distilled

by Wladston Ferreira Filho • 2017

The missing CS toolkit for self-taught coders: how to think in algorithms, not just syntax.

4.07

1k+

🧠 Computational Thinking 🧮 Algorithm Design 🗂️ Data Structures

Computer Science Distilled 89%

The missing CS toolkit for self-taught coders: how to think in algorithms, not just syntax.

by Wladston Ferreira Filho 2017

4.07

1k+ ratings

🧠 Computational Thinking 🧮 Algorithm Design 🗂️ Data Structures

Men of Mathematics

by Eric Temple Bell • 1937

From Descartes to Cantor, the story of mathematics is one of obsession and early graves.

4.10

2k+

📐 History Of Mathematics 📖 Mathematical Biography 🧮 Popular Mathematics

Men of Mathematics 89%

From Descartes to Cantor, the story of mathematics is one of obsession and early graves.

by Eric Temple Bell 1937

4.10

2k+ ratings

📐 History Of Mathematics 📖 Mathematical Biography 🧮 Popular Mathematics

The Theory That Would Not Die

by Sharon Bertsch McGrayne • 2011

Statisticians said it was dead. Turing used it to crack Enigma. Computers made it unstoppable.

3.77

3k+

🧮 Bayesian Statistics 📜 History Of Mathematics 🎲 Probability Theory

The Theory That Would Not Die 89%

Statisticians said it was dead. Turing used it to crack Enigma. Computers made it unstoppable.

by Sharon Bertsch McGrayne 2011

3.77

3k+ ratings

🧮 Bayesian Statistics 📜 History Of Mathematics 🎲 Probability Theory

Structured Computer Organization

by Andrew S. Tanenbaum • 1976

From logic gates to assembly code: the layered architecture every computer hides in plain sight.

4.04

591

🏗️ Computer Architecture 🧅 Layered Abstraction 🔌 Digital Logic

Structured Computer Organization Summary

Structured Computer Organization 88%

From logic gates to assembly code: the layered architecture every computer hides in plain sight.

by Andrew S. Tanenbaum 1976

4.04

591 ratings

🏗️ Computer Architecture 🧅 Layered Abstraction 🔌 Digital Logic

Information Theory, Coding and Crytography

by Ranjan Bose • 2002

Entropy sets the limit. Coding reaches it. Cryptography locks it. One textbook covers all three.

3.75

162

🧠 Information Theory 🔢 Coding Theory 🔐 Cryptography

Information Theory, Coding and Crytography Summary

Information Theory, Coding and Crytography 88%

Entropy sets the limit. Coding reaches it. Cryptography locks it. One textbook covers all three.

by Ranjan Bose 2002

3.75

162 ratings

🧠 Information Theory 🔢 Coding Theory 🔐 Cryptography

Machines of Loving Grace

by John Markoff • 2015

Silicon Valley split between replacing humans and upgrading them. The fight isn't over.

3.67

627

🖥️ History Of Computing 🤖 Artificial Intelligence 🖱️ Human-Computer Interaction

Machines of Loving Grace 88%

Silicon Valley split between replacing humans and upgrading them. The fight isn't over.

by John Markoff 2015

3.67

627 ratings

🖥️ History Of Computing 🤖 Artificial Intelligence 🖱️ Human-Computer Interaction

Q is for Quantum

by Terry Rudolph • 2017

Forget the math: colored balls explain superposition, entanglement, and why quantum computers work.

3.59

222

💻 Quantum Computing 🔬 Popular Physics 🔗 Entanglement

Q is for Quantum 88%

Forget the math: colored balls explain superposition, entanglement, and why quantum computers work.

by Terry Rudolph 2017

3.59

222 ratings

💻 Quantum Computing 🔬 Popular Physics 🔗 Entanglement

The New York Times Book of Mathematics

by Gina Kolata • 2013

Seven riffle shuffles, three hundred years, and one question: is math discovered or invented?

3.62

159

🏛️ History Of Mathematics 📝 Scientific Essays 🤔 Philosophy Of Math

The New York Times Book of Mathematics Summary

The New York Times Book of Mathematics 88%

Seven riffle shuffles, three hundred years, and one question: is math discovered or invented?

by Gina Kolata 2013

3.62

159 ratings

🏛️ History Of Mathematics 📝 Scientific Essays 🤔 Philosophy Of Math

Mathematics

by Timothy Gowers • 2002

Real mathematics does not compute. It builds worlds where objects are defined by their behavior.

3.86

2k+

📐 Pure Mathematics 🧠 Mathematical Thinking 🌌 Mathematical Abstraction

Mathematics 88%

Real mathematics does not compute. It builds worlds where objects are defined by their behavior.

by Timothy Gowers 2002

3.86

2k+ ratings

📐 Pure Mathematics 🧠 Mathematical Thinking 🌌 Mathematical Abstraction

Beyond Measure

by James Vincent • 2022

The foot, the pound, the second: none are innocent. How measurement conquered the modern world.

3.85

1k+

🧱 History Of Measurement 🔢 Quantification 📏 Standardization

Beyond Measure 88%

The foot, the pound, the second: none are innocent. How measurement conquered the modern world.

by James Vincent 2022

3.85

1k+ ratings

🧱 History Of Measurement 🔢 Quantification 📏 Standardization

The Math of Life and Death

by Kit Yates • 2019

Key mathematical ideas govern medicine, law, and media, and your intuition gets each one wrong.

3.90

2k+

The Math of Life and Death 88%

Key mathematical ideas govern medicine, law, and media, and your intuition gets each one wrong.

by Kit Yates 2019

3.90

2k+ ratings

Number

by Tobias Dantzig • 1930

The story of number, from zero to infinity, is a series of crises that redefined reality.

4.09

637

🏛️ History Of Mathematics 🤔 Philosophy Of Math 🧠 Numerical Cognition

Number 88%

The story of number, from zero to infinity, is a series of crises that redefined reality.

by Tobias Dantzig 1930

4.09

637 ratings

🏛️ History Of Mathematics 🤔 Philosophy Of Math 🧠 Numerical Cognition

Robin Hood Math

by Noah Giansiracusa • 2025

Algorithms price your insurance, rank your resume, curate your reality. The math that fights back.

3.91

185

🧮 Algorithmic Literacy 🛡️ Digital Self-Defense 📐 Applied Mathematics

Robin Hood Math 88%

Algorithms price your insurance, rank your resume, curate your reality. The math that fights back.

by Noah Giansiracusa 2025

3.91

185 ratings

🧮 Algorithmic Literacy 🛡️ Digital Self-Defense 📐 Applied Mathematics

Quantum Computing and Future

by Utpal Chakraborty • 2022

Supercomputers take millennia; quantum machines take minutes. What that speed means for industry.

2.00

🧬 Quantum Computing 🌐 Emerging Technology ⚡ Industry Disruption

Quantum Computing and Future 88%

Supercomputers take millennia; quantum machines take minutes. What that speed means for industry.

by Utpal Chakraborty 2022

2.00

1 ratings

🧬 Quantum Computing 🌐 Emerging Technology ⚡ Industry Disruption

The Eye of the Master

by Matteo Pasquinelli • 2023

AI was never about thinking machines. It was built to measure, rank, and control workers.

4.06

292

🧠 Critical AI Studies 💻 History Of Computing 🏭 Division Of Labor

The Eye of the Master 88%

AI was never about thinking machines. It was built to measure, rank, and control workers.

by Matteo Pasquinelli 2023

4.06

292 ratings

🧠 Critical AI Studies 💻 History Of Computing 🏭 Division Of Labor

What's the Use?

by Ian Stewart • 2021

Kidney matches, secure websites, movie animation: the invisible math that built the modern world.

3.54

175

📐 Applied Mathematics 📊 Mathematical Modeling 🔍 Hidden Mathematics

What's the Use? 88%

Kidney matches, secure websites, movie animation: the invisible math that built the modern world.

by Ian Stewart 2021

3.54

175 ratings

📐 Applied Mathematics 📊 Mathematical Modeling 🔍 Hidden Mathematics

Geek Sublime

by Vikram Chandra • 2013

Why great code feels elegant: the answer may lie in ancient Indian aesthetics, not algorithms.

3.28

1k+

💻 Code Aesthetics 🌐 Computing Culture 🪷 Indian Aesthetics

Geek Sublime 88%

Why great code feels elegant: the answer may lie in ancient Indian aesthetics, not algorithms.

by Vikram Chandra 2013

3.28

1k+ ratings

💻 Code Aesthetics 🌐 Computing Culture 🪷 Indian Aesthetics

Unknown Quantity

by John Derbyshire • 2006

Babylonians used algebra to measure grain. Four thousand years later, it described reality itself.

3.90

770

🧮 History Of Mathematics 🏛️ Ancient Mathematics 📜 Medieval Scholarship

Unknown Quantity 88%

Babylonians used algebra to measure grain. Four thousand years later, it described reality itself.

by John Derbyshire 2006

3.90

770 ratings

🧮 History Of Mathematics 🏛️ Ancient Mathematics 📜 Medieval Scholarship

Are Numbers Real?

by Brian Clegg • 2016

Invented to count goats, numbers now predict black holes. A history of math's grip on reality.

3.57

288

📜 History Of Mathematics 📐 Popular Mathematics 🔢 History Of Numbers

Are Numbers Real? 88%

Invented to count goats, numbers now predict black holes. A history of math's grip on reality.

by Brian Clegg 2016

3.57

288 ratings

📜 History Of Mathematics 📐 Popular Mathematics 🔢 History Of Numbers

Secrets of Mental Math

by Arthur T. Benjamin • 1993

How a stage performer adds, multiplies, and pulls weekdays from thin air, without a calculator.

4.07

2k+

🧮 Mental Calculation ⚡ Speed Mathematics 🧠 Memory Techniques

Secrets of Mental Math 88%

How a stage performer adds, multiplies, and pulls weekdays from thin air, without a calculator.

by Arthur T. Benjamin 1993

4.07

2k+ ratings

🧮 Mental Calculation ⚡ Speed Mathematics 🧠 Memory Techniques

The Light Ages

by Seb Falk • 2020

Eclipse math, precision clocks, a six-foot computer: the medieval laboratory inside the monastery.

3.67

2k+

🔬 History Of Science 🏰 Medieval History ⚗️ Medieval Science

The Light Ages 88%

Eclipse math, precision clocks, a six-foot computer: the medieval laboratory inside the monastery.

by Seb Falk 2020

3.67

2k+ ratings

🔬 History Of Science 🏰 Medieval History ⚗️ Medieval Science

Mastering Regular Expressions

by Jeffrey E.F. Friedl • 1997

Understand the engine behind your regex: why some patterns crawl, and how to make them run.

4.16

2k+

🧩 Regular Expressions 📝 Text Processing 🔍 Pattern Matching

Mastering Regular Expressions 88%

Understand the engine behind your regex: why some patterns crawl, and how to make them run.

by Jeffrey E.F. Friedl 1997

4.16

2k+ ratings

🧩 Regular Expressions 📝 Text Processing 🔍 Pattern Matching

Whatever Happened to the Metric System?

by John Bemelmans Marciano • 2013

A tale of revolutions, divine measures, and why a global standard stopped at America's shores.

3.62

321

🔬 History Of Science 📏 History Of Measurement 🛡️ Cultural Resistance

Whatever Happened to the Metric System? Summary

Whatever Happened to the Metric System? 88%

A tale of revolutions, divine measures, and why a global standard stopped at America's shores.

by John Bemelmans Marciano 2013

3.62

321 ratings

🔬 History Of Science 📏 History Of Measurement 🛡️ Cultural Resistance

Cryptography

by Keith M. Martin • 2020

Your digital life depends on secret math. Who should be able to break it?

3.96

174

🔒 Digital Security 🔐 Encryption 👁️ Digital Privacy

Cryptography 88%

Your digital life depends on secret math. Who should be able to break it?

by Keith M. Martin 2020

3.96

174 ratings

🔒 Digital Security 🔐 Encryption 👁️ Digital Privacy

Alex's Adventures in Numberland

by Alex Bellos • 2010

How counting became civilization's greatest invention, and the puzzling patterns it revealed.

4.12

6k+

Alex's Adventures in Numberland 88%

How counting became civilization's greatest invention, and the puzzling patterns it revealed.

by Alex Bellos 2010

4.12

6k+ ratings

Street-Fighting Mathematics

by Sanjoy Mahajan • 2010

A toolkit for rough-and-ready problem solving: estimate with units, symmetry, and clever shortcuts.

3.74

236

✏️ Back-Of-The-Envelope 📏 Dimensional Analysis 💡 Heuristic Reasoning

Street-Fighting Mathematics 88%

A toolkit for rough-and-ready problem solving: estimate with units, symmetry, and clever shortcuts.

by Sanjoy Mahajan 2010

3.74

236 ratings

✏️ Back-Of-The-Envelope 📏 Dimensional Analysis 💡 Heuristic Reasoning

The Code Book

by Simon Singh • 1999

Wars, empires, and the internet all turn on one ancient problem: how to keep a secret.

4.30

29k+

🔐 History Of Cryptography 🔓 Codebreaking 🕵️ Wwii Intelligence

The Code Book 88%

Wars, empires, and the internet all turn on one ancient problem: how to keep a secret.

by Simon Singh 1999

4.30

29k+ ratings

🔐 History Of Cryptography 🔓 Codebreaking 🕵️ Wwii Intelligence

AIQ

by Nick Polson • 2018

What a 19th-century nurse and a lost submarine reveal about the algorithms that now run your life.

4.15

742

🤖 Ai Explainers 📊 History Of Statistics 🎲 Bayesian Thinking

AIQ 88%

What a 19th-century nurse and a lost submarine reveal about the algorithms that now run your life.

by Nick Polson 2018

4.15

742 ratings

🤖 Ai Explainers 📊 History Of Statistics 🎲 Bayesian Thinking

The Science of Free Will

by Samir Varma • 2025

You can't predict your next thought. No computer can either. That's not a gap: it's free will.

3.35

🧩 Compatibilism 💻 Computation Theory 🦋 Chaos Theory

The Science of Free Will 88%

You can't predict your next thought. No computer can either. That's not a gap: it's free will.

by Samir Varma 2025

3.35

17 ratings

🧩 Compatibilism 💻 Computation Theory 🦋 Chaos Theory

Creativity Code

by Marcus du Sautoy • 2019

AI paints, composes, writes. But can a machine truly be creative? A mathematician investigates.

3.94

2k+

🤖 Machine Creativity 🎨 Ai Generated Art 🖌️ Generative Art

Creativity Code 88%

AI paints, composes, writes. But can a machine truly be creative? A mathematician investigates.

by Marcus du Sautoy 2019

3.94

2k+ ratings

🤖 Machine Creativity 🎨 Ai Generated Art 🖌️ Generative Art

The Art of Doing Science and Engineering

by Richard W. Hamming • 1996

What separates great scientists from good ones: they pick better problems.

4.18

2k+

🧠 Scientific Thinking ⚙️ Engineering Practice 💻 Computational Thinking

The Art of Doing Science and Engineering Summary

The Art of Doing Science and Engineering 88%

What separates great scientists from good ones: they pick better problems.

by Richard W. Hamming 1996

4.18

2k+ ratings

🧠 Scientific Thinking ⚙️ Engineering Practice 💻 Computational Thinking

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