Notes on advertising, inference economics, and the post-page web.https://blog.withgrowl.com/en-ushttps://blog.withgrowl.com/posts/ai-ads-are-here/https://blog.withgrowl.com/posts/ai-ads-are-here/Why the next generation of advertising will be native to AI-generated conversations, not bolted onto them.Fri, 17 Apr 2026 00:00:00 GMThttps://blog.withgrowl.com/posts/rtb-for-streaming-responses/https://blog.withgrowl.com/posts/rtb-for-streaming-responses/Real-time bidding was built for page loads. Conversations load one token at a time. Here's what has to change — and what surprisingly doesn't.Fri, 20 Mar 2026 00:00:00 GMThttps://blog.withgrowl.com/posts/consent-server-side/https://blog.withgrowl.com/posts/consent-server-side/Privacy on the open web leaked because the surface leaked. AI products aren't the same surface — and the privacy posture shouldn't be either.Sat, 14 Feb 2026 00:00:00 GMThttps://blog.withgrowl.com/posts/intent-beats-audience/https://blog.withgrowl.com/posts/intent-beats-audience/The ad industry spent a decade getting worse at contextual. It's about to get a lot better, for a reason nobody in ad tech predicted.Thu, 22 Jan 2026 00:00:00 GMT