AI GEO Course · Lecture notes

Notes: Platform Playbooks (Win on Google, ChatGPT, and Perplexity)

Arun Nagarathanam · 10 Jul 2026 Notes · 14 of 16 in this course

An exclusive resource for students of Arun's AI GEO Course.

In This Section, You Will Master:

Why AI search is fragmented and one-size-fits-all doesn't work
Google's AI playbook: topical authority, E-E-A-T, snippet optimization
ChatGPT's playbook: external validation and digital PR
Perplexity's playbook: freshness, niche expertise, and being first

How to Use These Notes:

These notes are designed as quick-reference companions to your video learning.

Use them to review key concepts after watching lectures
Reference them when you need a quick reminder of frameworks and tools
For complete understanding and context, the video lectures are essential
Core Concepts = Essential terms and frameworks
Actionable Items = Practical implementation steps

The Growth Payoff:

Understand what each platform values and you'll know exactly which levers to pull for each engine, without doing completely different work for each.

GEO lecture notes

AI Is Your Technical Team (You Direct, Not Code)

Schema markup sounds technical, but AI writes it for you. Your job is strategy and direction.

The 4-Step Workflow

Copy the Schema prompt for your content type
Paste your page URL into the prompt
AI generates complete Schema markup (or asks for missing details)
Copy and paste into your website header

Validation: Use Google's Rich Results Test to verify Schema is correctly formatted.

GEO lecture notes

Your Foundation Handles 90% (A Quick Note Before We Specialize)

Your Entity Home and content structure are 90% of your success on any AI platform.

Core Concepts

0190% Transferable: Foundation works everywhere
0210% Fine-tuning: Small adjustments for each platform's preferences
03No Single Dominant Player: Unlike traditional SEO where Google ruled 90%, AI search is genuinely fragmented

GEO lecture notes

The AI Platform Personality Guide (Why One Size Doesn't Fit All)

Different AI platforms have different "personalities" and preferences.

Platform Personalities

Platform	What It Values
Google AI	E-E-A-T, topical authority, comprehensive coverage
ChatGPT	External validation from established media
Perplexity	Freshness, niche expertise, being first

GEO lecture notes

The Google Playbook (Winning AI Overviews & Snippets)

Google's AI features appear in two places: AI Overviews (summaries at top of results) and AI Mode (conversational interface in search).

Core Concepts

01AI Overviews: Blue boxes powered by Gemini that synthesize multiple sources
02AI Mode: Google's answer to ChatGPT, built into search
03E-E-A-T Matters: Google's AI evaluates Experience, Expertise, Authoritativeness, Trustworthiness

The 3-Component Playbook

1. Topical Authority (Most Important)

Build content clusters: pillar page + supporting articles
Cover the entire topic area, not just one question
Use AI to identify subtopics: "What are all the subtopics someone needs to understand about [topic]?"

2. Snippet Optimization

Same Answer-First formatting that wins featured snippets
Clear headings, lists, tables, concise Answer Blocks

3. Video + Text Together

YouTube presence provides Experience and Expertise signals
Google's AI watches your videos too

GEO lecture notes

The ChatGPT Playbook (Winning with Authority & PR)

ChatGPT has two stages: getting cited (Stage 1) and being named as the expert (Stage 2). Stage 2 requires external validation.

Core Concepts

01ChatGPT's Training: Trained on high-authority sources (Forbes, NYT, Wikipedia, academic journals)
02Job References Analogy: Your website is your resume; external mentions are your references
03Stage 2 Path: Get mentioned on platforms ChatGPT already trusts

Accessible Paths to External Validation

HARO (Help A Reporter Out)

Free service connecting journalists with expert sources
Sign up at helpareporter.com
Choose 2 categories matching your expertise
Respond to relevant queries with specific, honest insights
Avoid AI-generated responses, journalists detect them

HARO Response Tips

Use concrete numbers with ranges (e.g., "42-48% open rate vs. 18-22% industry average")
Explain the why, not just the what
Be vulnerable and honest, not claiming perfection
Pass the Coffee Shop Test: Would you say this to a friend?

Wikipedia Contributions

Don't create pages about yourself (gets deleted)
Contribute genuinely to existing articles in your field
Add valuable content with proper citations
Build reputation as genuine contributor

Content Repurposing

Transform blog posts into white papers, research reports
Use Gemini or Claude to create professional layouts
Distribute as downloadable assets for outreach

What Doesn't Work

Paying for low-quality press release distribution
Creating spammy Wikipedia pages about yourself
Expecting overnight results (Stage 2 is earned over months)

GEO lecture notes

The Perplexity Playbook (Winning with Freshness & Niche Expertise)

Perplexity often prefers a brand-new, detailed blog post from a domain expert over generic articles from major publications. This creates opportunity for smaller players.

Core Concepts

01Obsession with Freshness: Perplexity wants the most up-to-date answers
02Niche Expertise Preference: Detailed tutorials from practitioners beat broad overview articles
03Level Playing Field: No Forbes connections needed, expertise wins

The Perplexity Playbook

1. Publish First

Be the first comprehensive source on emerging trends
When new developments happen, publish analysis within hours
Don't break news, explain what it means

2. Protect Your First-Mover Advantage

Set up Google Alerts for your article titles and unique phrases
Use Copyscape Copysentry ($4.95/month) for high-value content
If competitors cover same topic without credit, reach out for citation

3. Go Deep on Niche Topics

Detailed tutorials from practitioners
Exhaustive product reviews
Hands-on expert perspectives

4. Update Frequently

Maintain content freshness
Add new sections when information evolves
Revise outdated advice

GEO lecture notes

Section Wrap-Up

Platform Summary

Platform	Key Strategy
Google	Topical authority, content clusters, E-E-A-T, snippet optimization
ChatGPT	External validation from trusted sources, HARO, Wikipedia, research
Perplexity	Freshness, niche expertise, publishing first on emerging topics