Protect your brain. Here's the difference when advertising inside an AI assistant — and it matters even if you've made your peace with ad-supported search. Google knows what you searched for. ChatGPT knows what you're thinking about. When you type "best running shoes" into Google, you reveal a purchase intent. When you ask ChatGPT "I've been having knee pain after my runs — what might be causing it, and should I keep training for my marathon?"you reveal something categorically more intimate. A fear. A goal. A physical vulnerability. A timeline. A commitment. You're not querying a database. You're thinking out loud to something that responds, remembers, adapts, and uses your pain to sell you a product. Read the full blog https://substack.com/home/post/p-198422550