How to make walking directions better

Find the tools to get lost

Launching Code Cards on Hacker News

Spaced repetition and practice

What makes a good interface?

Netpowder, a mini-server in the browser

Grok LOC?

A short overview of the file system

Locks and concurrency

No Computer

Page tables and virtual memory

What's on the stack?

What is a shell and how does it work?

Grokking xv6

Writing A Lisp Interpreter

Instadoc - quick access to documentation

Nand to Tetris 2

Nand to Tetris 1, with Dan Luu

How to Follow pmarca on Twitter

Law Of The Instrument

The Watsi Experiment