[P] I tested Meta’s brain-response model on posts. It predicted the Elon one almost perfectly.

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I built an experimental UI and visualization layer around Meta’s open brain-response model just to see whether this stuff actually works on real content. It does. And that’s exactly why it’s both exciting and a little scary. The basic idea is that you can feed in content, estimate a predicted brain-response footprint, compare patterns across posts, and start optimizing against that signal. This is not just sentiment analysis with better branding. It feels like a totally different class of fee...