Joshua Liebow-Feeser

I build and study tools that make software safer by default. This blog is where I share thoughts on systems, security, and the art of building the right abstractions.

Recent posts

How to brush your teeth at work

Apr 14, 2026

When you were a kid, you had to learn to brush your teeth. It may be easy now, but at one point it was a skill. You would get toothpaste everywhere, and your mom or dad would have to remind you to brush every tooth.

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