This post is part of the GenAI Series. Back-to-back GenAI-related posts, but I could not resist writing this post instead of a trading-related one. A few days ago, I built a small tool that lets you input an Amazon ASIN and instantly generate marketing copy, including Facebook ads, Amazon A+ content, and SEO product descriptions by using Gemini. The frontend is built with Bootstrap + jQuery, and the backend runs on Python Flask. While this was originally aimed at Amazon sellers, it turned out to be a fun exercise in prompt engineering, tool chaining, and turning structured product data into persuasive, persona-targeted content. If you are in a hurry, then watch…