Sang Chi

23 Magazines | 3,458 Articles | 38,404 Followers | 142 Likes | @sangchi | Startup Builder. Data @Flipboard. Twitter: sandbreaker

A child's theory of mind: mental life may change radically around age 4.

If you think kids say the darnedest things, get a load of what they think.

Consider a group of pre-schoolers shown a box that they all agree appears …


Can blockchain help the cards and payments industry?

Image credit: epSos .de

Blockchain has been for many years a synonym for bitcoin. Whenever people talked about blockchain they thought of bitcoin, and …


People are selling hacked subscriptions to Netflix, Spotify, HBO, and pretty much everything else, on the dark web

When you think of marketplaces on the so-called "Dark Web," that place on the internet that you can only access with special browsers that anonymize your IP address, you probably think of sites that sell drugs, weapons, and other illicit products and services.

But it's also full of cheap …


The Gene Hackers

At thirty-four, Feng Zhang is the youngest member of the core faculty at the Broad Institute of Harvard and M.I.T. He is also among the most accomplished. In 1999, while still a high-school student, in Des Moines, Zhang found a structural protein capable of preventing retroviruses like H.I.V. from …


CS183C Blitzscaling 10/15/2015

Companies founded by 1st/2nd generation immigrants have created 10 million jobs and $4.5 trillion of annual revenue.

Simple end-to-end TensorFlow examples

I’ve been reading papers about deep learning for several years now, but until recently hadn’t dug in and implemented any models using deep learning …

Python Programming

How Company Culture Shapes Employee Motivation

In a recent strategy meeting we attended with the leaders of a Fortune-500 company, the word “culture” came up 27 times in 90 minutes. Business leaders believe a strong organizational culture is critical to success, yet culture tends to feel like some magic force that few know how to control. So …


Animation Showing The Mind-Boggling Scale Of The Universe

This video from Tech Insider, shows the truly mind-melting scale of the universe. Starting at a 1 femtometer proton, the animation gradually “zooms …


20 Lists Every Entrepreneur Should Create

Join us at Entrepreneur magazine's Growth Conference, Dec. 15 in Long Beach, Calif. for a day of fresh ideas, business mentoring and networking. Register here for exclusive pricing, available only for a limited time.

Being a startup founder who is obsessed with my own personal growth, I frequently …

Startups Lands $15 Million Series A

Herzliya Israel-based isn’t yet saying exactly what it’s up to, but investors must like what they’re seeing.

The stealth-mode company, which says it’s rebuilding the framework for dealing with big data in a way that integrates information from numerous storage and processing platforms, has …

Big Data

Arbitrary thoughts on AWS Lambda + API Gateway


Arbitrary thoughts on AWS Lambda + API Gateway

- Example: suppose I am developing a very simple CRUD service in Python .. can you do it with just …


Using Machine Learning To Predict Gender

Here is an experiment from the CrowdFlower AI team, where they used user's tweeter account link color, description, and a single random tweet with …

Machine Learning

Radical Candor — The Surprising Secret to Being a Good Boss

Kim Scott (@kimballscott) has built her career around a simple goal: Creating bullshit-free zones where people love their work and working together. …

Sheryl Sandberg

Twenty Predictions For The Next 20 Years

Fast Company Editor Robert Safian celebrates the magazine's 20th anniversary by looking forward.

The doctor handed me the scissors. As I pressed down the blades, snipping the umbilical cord, I looked up at my wife. She was smiling, holding our newborn son.

That was 20 years ago. Our baby is now 6 …

The Future

Meet Some of Our Top Commenters




A Presbyterian minister. An electrical engineer. A science fiction writer. These are some of the most influential contributors to



Chad Batka for The New York Times; Top right, Zach Gibson/The New York Times; bottom left, Katherine Taylor for The …

The Most Overlooked Aspect Of UX Design Could Be The Most Important

I’m not much of a designer. In fact, I’m awful at it. I am, however, interested in how it’s done. I read and write plenty about customer success; along the way, (somehow) I found Samuel Hulick’s site UserOnboard.

His detailed descriptions of the user onboarding process in popular apps give designers …


50+ Data Science and Machine Learning Cheat Sheets

Cheatsheets on Python, R and Numpy, Scipy, Pandas

There are thousands of packages and hundreds of functions out there in the Data science world! An …

Why React Native might become the first multi-platform framework that actually works.

Long story short: I think Facebook has a strong motivation, resources and domain expertise to build the first framework that will actually enable us …


Watch Jeff Bezos Lay Out His Grand Vision for Amazon’s Future Dominance in This 1999 Video

Many smart people attribute Amazon’s success, in part, to the consistent vision that founder and CEO Jeff Bezos had for the company even from the early years. Here’s some proof.

I came across a video, thanks to a Twitter buddy, of a 1999 presentation Bezos gave at the Association of American …


The secret to building a world-class startup team


Traditional recruiting for tech startups has focused on finding the right skill sets. That’s an important variable, but it doesn’t help a great team to mesh. Just because someone knows a programming language doesn’t mean that they will communicate well with other team members, help carry …


Wean yourself off any beverage that's not water, tea, or coffee

Sodas and juices are essentially liquid candy: They contain up to 18 teaspoons of sugar and upwards of 240 calories per 20-ounce serving, and provide …


Why Silicon Valley is losing at the Washington influence game

WASHINGTON — Silicon Valley has an unwritten rule for lobbying consumers: Only do it in an emergency.

That sensibility, driven by sensitivity to users, explains why tech titans are straggling again in Washington’s influence game. At a time when everyone else is using tech tools to organize and …

Silicon Valley

This 1930s social proof strategy built a $400m empire (examples)

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As famed showman PT Barnum said some 150 years ago, “Nothing draws a crowd like a crowd.”

Social proof has been an effective …


How To Build A Billion Dollar Company: The Method Behind Today's 'Unicorn' Madness

Billion dollar companies are being created at a faster pace than ever before, so there are plenty of opinions in the bubble or bust debate. I won’t bore you with more.

What we discuss often at the Founder Institute, however, is how these billion dollar companies are being created in our current …


On Snapchat, Brands Trust Influencers, But Verify With Only Screenshots

Only creators have access to data on how their videos perform on Snapchat

When marketers work with social media influencers on platforms like YouTube, Instagram or Vine, they are accustomed to getting detailed performance reports on how their ad campaigns perform.

When marketers work with the still …


Influence Marketing: How to Get Referrals from the 'In Crowd'

Some of the most effective marketing happens when you leverage influential people to refer others to your company. Here's how to do it.

Social Media Marketing

Building the Next New York Times Recommendation Engine

The New York Times publishes over 300 articles, blog posts and interactive stories a day.

Refining the path our readers take through this content — personalizing the placement of articles on our apps and website — can help readers find information relevant to them, such as the right news at the …

Collaborative Filtering

Betaworks and Arielle Zuckerberg back Futurefly’s app that makes messaging feel like a game

HELSINKI, Finland — Oskari “Ozz” Häkkinen, founder of Futurefly, knows what you’re thinking as soon as you hear that his company is working on a new messaging app:

Uh, does the world really need one more messaging app?

Fair question, and one Häkkinen answers in the affirmative. Messaging apps are the …