So this is a story of how I recently went from exploring the seemingly harmless new capabilities of GPT-4, to discovering one of its darkest and most concerning secrets. It turns out, that GPT-4 has the ability to tell you exactly who that random person is that you have a crush on at the gym. Somebody cut you off in traffic and you want to exact revenge? There is a good chance that GPT-4 can tell you who they are. In fact, GPT-4 is apparently capable of recognizing people broadly (thanks to it's consumption and subsequent analysis of all of the photos across the Internet). But let's rewind and I'll explain how we got here. Muffin vs Chihuahua So OpenAI recently released the new image analysis features of its multi-modal version of GPT-4 (for premium paying customers). Shortly after this release, I saw somebody put these capabilities to the ultimate test, by having GPT-4 play the classic machine learning Computer Vision (CV) challenge of Chihuahua vs Muffin . The results we