Hacker News
- Holding a Program in One's Head (2007) https://paulgraham.com/head.html 109 comments
- Holding a Program in One's Head (2007) http://paulgraham.com/head.html 79 comments
- Holding a Program in One's Head (2007) http://paulgraham.com/head.html 101 comments
- Holding a Program in One's Head (2007) http://paulgraham.com/head.html 5 comments
- Holding a program in one's head http://www.paulgraham.com/head.html 131 comments