SEO took brands decades to figure out. Now there’s a new game, and most brands are starting from zero. AEO, Answer Engine Optimization, is how your brand shows up when people ask AI for answers instead of Googling. If you’re not optimizing for it yet, this is where to start.

I spend every day working with brands at VaynerMedia on this exact problem. Here’s what you need to know about AEO and why social media is at the center of it.

What is AEO and Why Does It Matter?

AEO stands for Answer Engine Optimization. It’s the practice of making your brand’s content show up in AI-generated answers, not just traditional search results. As more people use ChatGPT, Gemini, and Perplexity as their default search tool, this is becoming a critical channel.

If your brand isn’t thinking about AEO yet, you’re already behind. The good news: most of your competitors aren’t doing it either. There’s a real window right now to get ahead by optimizing your content for AI discovery.

Social’s Role in AEO

Here’s what most brands are missing: social media is now a primary input for AI-generated answers. When someone asks ChatGPT or Gemini a question, those models are pulling from social content across the web. YouTube transcripts, Reddit threads, LinkedIn posts. All of it feeds the machine.

The brands that optimize their social channels for AI discovery now will have a massive head start. We’re seeing this play out in real time at VaynerMedia across paid, owned, and earned. The sooner you move, the bigger the advantage.

Getting Started With The Social Media Platforms That Matter Most

The landscape is moving fast. As of March 2026, here are the platforms that matter most for AEO and what we’re seeing work:

1. YouTube

  • The single most important platform for AEO visibility across AI models
  • AI models like ChatGPT, Gemini, and Perplexity pull heavily from YouTube content
  • Titles, descriptions, transcripts, and comments all give AI models structured text to pull from
  • If you’re only going to optimize one platform for AEO right now, start here

2. Reddit

  • AI models love Reddit because it’s full of real human opinions and recommendations
  • Brands should be monitoring Reddit conversations in their category and participating authentically
  • The risk: you can’t control the narrative
  • The upside: authentic mentions carry enormous weight with AI models

3. LinkedIn

  • The sleeper hit. Jumped from #11 to #5 as most cited in ChatGPT responses
  • Matters for both B2B and B2C. If you’re a brand with any kind of thought leadership play, LinkedIn content is getting pulled into AI answers more than ever
  • We’re telling every client to take their LinkedIn content strategy seriously for AEO
Photo Courtesy of Jon Morgenstern

Other Platforms to Watch

Meta (Instagram & Facebook) and TikTok have relatively closed ecosystems today, but that’s changing fast. OpenAI and Google are actively working to index more social content, and these platforms will open up. X is interesting for a different reason. It has massive public data and Grok gives it a unique AI layer. If more users lean into long-form content on X, like this post from our own Jon Morgenstern (EVP, Head of Investment, VaynerMedia), it has real potential. We’re watching it closely.

Here’s the bottom line: social media is now the foundation of AI discovery. The brands that build AEO into their social strategy today will own the answers tomorrow. The ones that wait will wonder why they stopped showing up.

If you want to talk about what this looks like for your brand, reach out. This is what we do every day at VaynerMedia. Contact us here.