Every week, I want to highlight one website, tool, or project that made me stop scrolling and think: “Okay, that is actually a fun idea.” This week’s pick is Nychthemeron — an open-source social platform where posts, comments, and messages disappear after 24 hours. Yes, completely disappear. No endless archive of old opinions. No post from 2017 waiting patiently to ruin your afternoon. No carefully maintained feed of things you said when you were tired, overconfident, or had ju...