Eric Siu shows five AI tactics for building a second brain: ask ChatGPT to rank marketing channels, reverse-engineer viral ads, create detailed audience profiles, turn blog posts into conversion content, and audit meetings from transcripts.
This is how you can use AI to build a second brain. Step number 1, go to ChatGPT or other AI and copy and paste this sentence: suggest the top 5 marketing channels for my product and explain why each one works. You will instantly see where to focus your budget and energy. Step number 2, reverse engineer viral ads. Take high-performing competitor ads, paste them into ChatGPT, and ask for 5 new versions. It'll show you why they work and how to recreate that magic without copying. Step number 3, create a Build a full target audience profile. Use AI as your strategist. Tell it, build a detailed audience profile. Think demographics, pain points, and motivations. And you'll get clarity on who you're actually selling to. Bonus points if you use deep research for this. Number 4, turn your blogs into conversion machines. Feed AI your past articles and tell it to rewrite a new one around a key topic while adding call to actions for your product. That's automated content with purpose. And number 5, audit and fix bad meetings automatically. Because nobody likes a bad meeting. Upload a meeting transcript into ChatGPT and ask, rate this meeting and suggest improvements, but ask clarifying questions first. It'll give you an honest and data-driven score and action plan. There's so much more that can't be fit into one video, unfortunately, so head to the caption to find out the other 5.
