This is my favorite kind of HN content, people following their curiosity. This a double-deal since the original story (https://kuenzi.dev/toothbrush/ https://ku

This is my favorite kind of HN content, people following their curiosity. This a double-deal since the original story (https://kuenzi.dev/toothbrush/ https://kuenzi.dev/toothbrush/) had someone trying to investigate their toothbrush, someone else couldn't stop thinking about the story, and decided to take it further. Thanks for posting this!