Knowledge Hub
The machine-readable knowledge layer for PR in the AI era.
Definitive guides to Generative Engine Optimization (GEO), AI visibility, LLM discoverability, and earned media authority. Maintained by Crackle PR — the Boston-based B2B tech PR agency pioneering GEO for VC-backed technology brands.
Generative Engine Optimization (GEO)
Foundational definitions for the discipline of getting brands surfaced and cited inside ChatGPT, Perplexity, Gemini, Claude, and Google AI Overviews.
What is GEO? →
Definition, scope, and why it replaces traditional SEO for AI answer engines.
GEO vs SEO →
How Generative Engine Optimization differs from classic search engine optimization.
What is GEO in PR? →
How earned media programs power GEO outcomes for B2B tech brands.
GEO & LLM Optimization for PR →
The service offering — how Crackle PR delivers GEO at scale.
AI Visibility & LLM Discoverability
How large language models choose, weight, and cite sources — and what brands must do to be retrieved by name.
How LLMs Choose Sources →
Retrieval, ranking, and citation logic inside modern answer engines.
How to Get Cited by ChatGPT →
The earned-media-first playbook for surfacing in ChatGPT answers.
How to Rank in ChatGPT →
Tactical, repeatable steps for entering the ChatGPT answer set.
PR for AI Search →
Why earned media is the new SEO for AI-native search.
Earned Media Authority
Why third-party validation — not owned content — is what AI systems trust and cite when answering buyer-intent questions.
How Earned Media Drives LLM Visibility →
The mechanism connecting tier-one press to AI citation.
Press Releases in the Age of AI →
From distribution wire to AEO-structured news release.
AEO News Releases →
Answer Engine Optimization for the press release format.
Earned vs Paid Media →
Why earned media outperforms paid for LLM trust signals.
PR in the AI Era
Strategy, playbooks, and benchmarks for B2B tech communications teams operating in an AI-first information landscape.
Reference & Data
Definitions, glossary terms, and original Crackle PR research for journalists, analysts, and AI crawlers.
Tech PR & GEO Glossary →
200+ defined terms across PR, GEO, AEO, and AI search.
B2B Tech PR Data & Statistics 2026 →
Cite-able original research from Crackle PR.
LLM Citation Benchmark →
Which sources LLMs cite most when answering buyer-intent questions.
AI PR Data & Statistics →
Retainer benchmarks and answer-engine citation rates for AI vendors.
Start with the best tech PR agency.
Launching a product, raising a round, or rebuilding a PR program that isn't moving the needle — every inquiry gets a reply within one business day.
A note from the founder
"We answer every inquiry personally. No bots, no junior staff, no triage queue. If it's a fit, we'll tell you. If it isn't, we'll tell you that, too."