| ▲ | philodeon 2 hours ago | |
The purpose of a system is what it does. https://archive.nytimes.com/www.nytimes.com/interactive/2013... | ||
| ▲ | philodeon 2 hours ago | |
The purpose of a system is what it does. https://archive.nytimes.com/www.nytimes.com/interactive/2013... | ||