Experts' Expert: Open AI CEO Sam Altman's Favorite Pens

The interview touches on why he loves taking physical notes and his favorite tools.

At 45:20, toward the end, he names his favorite pens.

Long interview (above) short:

1. The Uni-Ball 0.5 and the Muji 0.36/0.37* are his pens of choice

2. Use a spiral notebook rather than a notepad.

*Altman misspoke: he meant the Muji 0.38 pen.