# Hidden Radius — Full Knowledge Summary

Canonical site: https://hiddenradius.com/
Publisher: Hidden Radius
Status: standalone U.S. search-intelligence company
Last reviewed: 2026-07-22

## Central model

Hidden Radius maps twelve layers beneath a visible search or AI result: creation, publication, discovery, indexing, recognition, retrieval, generation, attribution, presentation, reliability, selection and action. It separates evidence controlled by the organization from platform machinery controlled by outside systems.

## Indexed pages

### About Hidden Radius
About Hidden Radius, its standalone U.S. company status, discovery-stack purpose, source policy, REG provenance and advisory work.
https://hiddenradius.com/about/

### Answer Engine Optimization Explained
A practical explanation of AEO, direct-answer structure, answer engines, evidence, exceptions and the relationship with SEO and GEO.
https://hiddenradius.com/aeo/

### AI Agents, Tool Use and Machine-Operable Websites
A guide to agent loops, browser interaction, accessible controls, confirmation, prompt injection, permissions and safe task completion.
https://hiddenradius.com/agents-tool-use/

### AIO Explained: AI Optimization and AI Overviews
A clear distinction between AI Optimization as an umbrella discipline and AI Overviews as a Google Search feature.
https://hiddenradius.com/aio/

### Hidden Radius Search and AI Discovery Audit Methodology
The Hidden Radius methodology for tracing outcomes through publication, crawling, indexing, recognition, retrieval, generation, reliability and action.
https://hiddenradius.com/audit-methodology/

### Modern Search and AI Discovery Business Examples
Detailed examples showing how the discovery stack changes for local services, ecommerce, publishers, professional firms, documentation, RAG and agents.
https://hiddenradius.com/business-examples/

### Modern Search Comparison Matrix
Compare SEO, GEO, AEO, AIO, REG, RAG, LLMs, structured data and robots.txt by category, owner, input, outcome and limitation.
https://hiddenradius.com/comparison-matrix/

### Contact
Email Coin Marketing Guy: coinguymarketing@gmail.com
Contact page: https://hiddenradius.com/contact/
The site uses a direct mailto link and does not store contact-form submissions.