Video here: <a href="https://www.youtube.com/watch?v=8_t41xvPp1w" rel="nofollow">https://www.youtube.com/watch?v=8_t41xvPp1w</a>
Email from Carl here: <a href="https://www.paulgraham.com/carl.html" rel="nofollow">https://www.paulgraham.com/carl.html</a>
Thread the other day <a href="https://news.ycombinator.com/item?id=43739547">https://news.ycombinator.com/item?id=43739547</a>