Second Brain Systems: How to Set Up Custom GPTs and Gems for Your Marketing Team

We’re diving into the concept of second brain systems—how to use custom GPTs (in ChatGPT) and Gems (in Gemini) to scale your marketing team’s productivity, eliminate repetitive tasks, and streamline onboarding, content creation, paid media, and more. You’ll learn: ✅ What a second brain is (and why marketers need one) ✅ How to build your own custom GPT or Gem ✅ What to feed your second brain to get great outputs ✅ Real SmartBug use cases ✅ Tips for maintenance, security, and future-proofing your setup Whether you're new to AI or a seasoned power user, you'll walk away with actionable tips to make AI work for your team—without replacing the human magic that makes your marketing shine. ⏱️ Key Highlights: 00:00 – Intro: Why second brains are changing how marketers work 03:10 – What is a second brain in marketing and AI? 05:00 – ChatGPT vs. Gemini: What makes a “second brain” different from on-the-fly prompting 07:50 – Eliminating information silos and dusty data 10:55 – ⚠️ AI Safety Disclaimer 11:00 – Step-by-step: How to build a custom Gem (Gemini) 14:15 – How to program user experiences into your Gem 16:00 – What kinds of data to include in your second brain 18:55 – How technical do you need to be? (Spoiler: Not at all!) 20:25 – SmartBug example: SME interview prep GPT 22:40 – Fun side note: Naming your GPTs 24:30 – Where second brains save time and increase quality 29:30 – Use cases beyond content: Paid media, reporting, onboarding 30:30 – What not to offload to AI 31:15 – Best practices and maintenance tips 34:50 – Who should “own” a shared Gem or GPT on your team? 36:40 – Common mistakes to avoid 38:00 – What’s next for second brain systems 40:15 – Skills marketers should start building now 42:55 – Final thoughts: Adding human connection back in 🔗 Want to connect or build your own second brain system? Reach out to Julia (jbye@smartbugmedia.com) or Rebecca (rcorgan@smartbugmedia.com) to chat.