Sang Chi on Flipboard

@sangchi | 23 Magazines | 3,218 Articles | 36,509 Followers | 123 Likes | Startup Builder. Head of Data & Search platform at Flipboard

The 25 hottest under-the-radar startups in America

New York and Silicon Valley are known as popular startup hubs, but there are other US cities that have become home to cool and successful tech companies too.

We've compiled a list of 25 of the hottest startups in cities across the US, with a focus on companies growing in flyover states. To do so, we …


Tracking mobile games millionaires: downloads peak early, revenues later

Angry Birds maker Rovio’s decision to lay off 38% of its staff is the latest reminder that the mobile games industry can be a brutally unforgiving industry, even if the £865m spent by players on Candy Crush Saga in 2014 shows that the rewards for success can be huge.

Now new research from mobile …

Mobile Games

This guy was trying to build a jewelry business and wound up with a hugely successful tech company

The first thing you have to know about Or Offer, the charismatic young CEO cofounder of Israeli startup SimilarWeb is that he thinks big. Really, really big.

And that's how he wound up running a company called SimilarWeb that seemed to spring out of nowhere a couple of years ago to become a star in …

Business Technology

Lessons from Seoul’s Two Sharing Economies

As a Fulbright grantee, I spent part of the last year researching the sharing economy in Seoul. One of my main findings? Korea actually has two.

The first is small-scale, hyper local and socialist in flavor. This first “sharing Seoul” is largely supported by the Seoul Metropolitan government, and …


A Step by Step Backpropagation Example


Backpropagation is a common method for training a neural network. There is no shortage of papers online that attempt to explain how …


How to produce better designs for complex apps

Designing simple, easy-to-use enterprise products is easier said than done. Customers expect enterprise products to deliver experiences like those of …

User Stories

3 Things Every Startup CEO Should Remember To Stay Humble

Whenever I feel that my title is making me egotistical, I use these three reminders to bring me back to earth.

It's interesting that in a startup, you can go from a recent college graduate to a CEO overnight. Forget climbing the ladder, instead go straight to the top. Sounds like a pretty good deal …


4 Invisible User Experiences you

Never Knew About

Great Design Is Invisible by Michael W.

Originally posted on
You can catch me on
Twitter and Facebook

Great Design is …

UX Design

5 Extremely Common Traits of True Leaders

While leaders differ from one another as much as anyone, true leaders share several common traits.

Experts talk often about the importance of leadership in business and that corporations need strong leaders to grow and prosper. While leaders differ from one another as much as anyone, true visionary …


Foreign investors are scrambling to buy US housing

Wealthy, very nervous foreigners yanking their money out of their countries while they still can and pouring it into US residential real estate, paying cash, and driving up home prices – that’s the meme. But it’s more than a meme as political and economic risks in key countries surge.

And home …


Meet the tech industry’s China fixer

Need a flashy new gadget designed, manufactured, and sold? Liam Casey doesn’t just know a guy—he is the guy.

His name isn’t well-known in elite business circles, but in the tech hardware scene, Liam Casey is “the guy.” He’s the one you call for a factory connection, the guy you hire for your …


Eastern vs. Western Business Models

A version of this essay was originally published at Tech.pinions, a website dedicated to informed opinions, insight and perspective on the tech industry.

One of the more interesting things I’ve been observing in our global research is how the success of varying business models is differing in …

Scala Data Pipelines @ Spotify


Some Important Streaming Algorithms You Should Know About

Ted Dunning, Chief Applications Architect for MapR, presented a session titled: “Some Important Streaming Algorithms You Should Know About” at the …


Science says parents of successful kids have these 9 things in common

Any good parent wants their kids to stay out of trouble, do well in school, and go on to do awesome things as adults.

And while there isn't a set …


Next Time You Grill a Steak, Try This Trick

Get ready for some tender, well-seasoned meat.

Right now, your social media feeds are probably filled with a million and one articles on what to do and what not to do on the grill. But we bet, there's one tip you haven't heard about.

For more evenly-cooked, tender, and flavorful steaks off the grill, …


Cardio Vs. Weightlifting

Cardio Vs. Weightlifting: The Pros & Cons

Any time you move your ass you’re doing cardio.

Weightlifting works your heart and lungs too, duh. A better term for what people refer to as “doing cardio” is “aerobic training.” But since I’m not totally anal, I’ll mostly stick with the common …


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16 Startup Metrics - with Jeff Jordan, Anu Hariharan, Frank Chen, and Preethi Kasireddy

We have the privilege of meeting with thousands of entrepreneurs every year, and in the course of those discussions are presented with all kinds of …


The Free 'Big Data' Sources Everyone Should Know

I always make the point that data is everywhere – and that a lot of it is free. Companies don’t necessarily have to build their own massive data …

Open Data

The State of Artificial Intelligence in Six Visuals

We cover many emerging markets in the startup ecosystem. Previously, we published posts that summarized Financial Technology, Internet of Things, …

Artificial Intelligence

Meet Confluent, The Big-Data Startup That Has Silicon Valley Buzzing

To find one of technology’s next big ideas, you have to drive a couple miles down the road from the headquarters of Google and LinkedIn to a one-story bungalow next to a dentist’s office in Mountain View, Calif. Behind an unmarked door you’ll find Confluent, a year-old startup keeping the data …


The 3 Quad Exercises Every Man Should Know

Because nobody needs thighs that huge.

Everybody wants strong, powerful quads—but the question is, how do you build up your legs without getting the kind of thunder thighs that only make sense if you're an Olympic speed skater? According to Mike Donavanik, CSCS, creator of the top-selling "Extreme …


The head of Silicon Valley's most intense startup factory shares how founders can double their chance of success

Sam Altman, the head of Silicon Valley's prestigious Y Combinator startup accelerator program, shared in a blog entry some hard truths about the 75% failure rate of the startups that it mentors:

A lot of founders get so caught up in the startup lifestyle that they forget to build their product. It's …


19 books by CEOs that will teach you how to run the world

Business books are notorious for being loaded with MBA lard, trotting out "key takeaways" like "take risks," "build a great team," and "don't be afraid to fail."

But the ones worth reading ditch the platitudes in favor of instructive anecdotes — which is why they so often come from execs who have …


Owlet, The Smart Baby Bootie, Raises $7 Million Series A

Owlet, the teenie tiny bootie that goes on babies and informs you if they’ve stopped breathing, has raised a $7 million A round, adding some solid numbers to their already impressive $1.85 million seed. The company, led by Jordan Monroe, Kurt Workman, and Zack Bomsta, aims to use the cash to help …


Y Combinator Gets Hardcore About Hardware

“Hey Robot, make me a sandwich,” I yelled over the ruckus of Y Combinator Demo Day’s break room.

The traditional catered lunch had been replaced with a new buffet: hardware startups. Sandwichbots, teabots, futuristic shower heads, and Internet-connected mattress covers lined the room’s perimeter …


What factors to consider when choosing a Multi-model DBMS? (OrientDB vs ArangoDB)

I am looking to dip my hands into the world of Multi-Model DBMS, I have no particular use cases, just want to start learning.I find that there are …


How we scaled our MySQL fleet

“Shard. Or do not shard. There is no try.”
- Yoda

This is a technical dive into how we split our data across many MySQL servers. We finished launching …