Fun with trigonometry — the world's most twisted coastline
I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of Italy, the Mediterranean sea was to the east, because the house was situated on a long bay. But zooming in even more, there were parts of th...Optimizing for iteration speed
I’ve written before about the importance of iterating quickly but I didn’t necessarily talk about some concrete things you can do. When I’ve built up the tech team at Better, I’ve intentionally optimized for fast iteration speed above ...Blogroll
Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is funny. I follow a few hundred blogs using Feedly and Reeder and have been reading a few hundred thousand blog posts over the last 10 years. He...Conversion rates — you are (most likely) computing them wrong
How hard can it be to compute conversion rate? Take the total number of users that converted and divide them with the total number of users. Done. Except… it’s a lot more complicated when you have any sort of significant time lag. Prelu...The mathematical principles of management
I’ve read about 100 management books by now but if there’s something that always bothered me it’s the lack of first principles thinking. Basically it’s a ton of heuristics. And heuristics are great, but when you present heuristics as tru...The eigenvector of "Why we moved from language X to language Y"
I was reading yet another blog post titled “Why our team moved from to " (I forgot which one) and I started wondering if you can generalize it a bit. Is it possible to generate a N * N contingency table of moving from language X to lang...
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