331
332
Customer churn can kill your startup
<p class="p1"><a href="http://www.paulgraham.com/growth.html">Startups are about growth</a>, and of all the different possible metrics, s...
333
Gox.com Domain Name Acquired by Mt. Gox Parent Company
It appears that Tibanne Co. Ltd. the company that operates the Mt. Gox bitcoin exchange has acquired the Gox.com domain name from Andy Booth.
334
Principles of good data analysis
Good, thorough data analysis is difficult. Throughout my work, I've found it useful to follow these principles in order to ensure quality and consistency.
335
A Fervent Defense of Front-running HFTs
In the good old days before the computer revolution, stocks were generally priced by traders using pencil and paper. Analysts would read news, study corporate financials, and then give ideas to traders. Trading happened in a physical trading pit. When a large player (Goldman Sachs, J.P. Morgan) wanted to …
336
337
The Entrepreneur Who Captivated Me
On January 12th, 2012 I went to Airbnb to give a talk about Storm at their tech talk series. It wa...
338
How I Got the First Paying Customers for My Startup
I launched on a Tuesday and had 3 paying customers by the following Friday. That’s a small win for a young startup — here’s how it happened.
339
Live Google transit directions change the value of transit
On my recent wanderings in Europe, I became quite enamoured by Google's latest revision of transit directions. Google has had transit directions for some time, but they have recently improved them, and linked them in more cities to live data about where transit vehicles actually are. The result not a mere incremental…
340
Cheap Beer and the Psychology of PlayStation Now Pricing
Sony just launched its PlayStation Now service that lets you rent access to streaming games. The pricing seems a bit odd to some, but it actually uses some well established psychological tricks to …
341
342
How to get beyond the parasite economy
It is time to get parasitic structured finance out of our economy - and we should start with the musical instrument industry.
343
344
Things I’ve Learned From Marc Andreessen
The 25IQ blog posts below have been rewritten and are now part of a new book that will benefit the author’s chosen charity: No Kid Hungry. The author will be directing his share of the profit…
345
Payola – A Rails engine for Stripe
A drop-in Rails engine for accepting credit card payments with Stripe
346
iPhone 6 and Android value
The new iPhones were much the most predictable part of Apple's event - widely leaked and impelled by an irresistible logic - the customer is always right. For all that Apple thought and argued that you should optimize for the thumb size, it turns out optimizing for the pocket size is a better metr
347
348
349
The Next Mission
Slides for the brief talk that I gave at a Harvard seminar on privacy and user data organized by John Taysom last week.
350
351
Creating a New Business Model for Cartoonists
TL;DR - I spent five years earning a side income by drawing and selling cartoons to magazines, mostly of various animals in business suits. I found the cartooning industry to be old-fashioned and inefficient. So I’m building a product to disrupt the industry and help cartoonists make more
352
353
354
355
bliki: Bounded Context
Don't try to build a single, unified model for a large domain. Instead DDD advises us to divide such a domain into many bounded contexts with explicit relationships between them.
356
Domain Driven Design
Slides and video from my talk "Domain Modeling Made Functional with the F# Type System"
357
Why Amazon Has No Profits
Amazon is a bundle - it’s hundreds of separate businesses, all running on the same common internal platforms. The big, established ones are highly profitable, but Amazon chooses to reinvest those profits into new businesses, so that reported net income for the company overall looks low. This mask
358
Taco Bell Programming
The more I write code and design systems, the more I understand that many times, you can achieve the desired functionality simply with clever reconfigurations of the basic Unix tool set. After all, functionality is an asset, but code is a liability . This is the opposite of a trend of nonsense called DevOps, where…
359
Stock Series
If you are wondering whether to dive in, give a couple posts a quick read. You’ll capture the blog’s essence. If after reading those The Stock Series is appealing, you will very likely enjoy it all. If by the same token your reaction is, “This doesn’t feel right for me,” it very likely isn’t. Stock Series…