Human.Agency

Understand AI. Deeply.

Not hype. Not theory. How AI actually works, what it's good at, what it fails at. Real examples by role. Interview-ready.

Quick Reference

Core concepts in 5 minutes. Embeddings. Tokens. Hallucinations. Context windows. Exactly what you need.

53 terms decoded. Searchable. RAG. Fine-tuning. Agents. Prompting. Actually useful explanations.

What AI solves. What it fails at. Good use cases vs bad ones. Accounting, marketing, ops — real examples.

Questions you'll actually be asked. How to answer confidently. The concepts that matter to hiring teams.

Tool Comparison

ChatGPT vs Claude vs Perplexity. Strengths. Weaknesses. When to use each. Side-by-side comparison.

Hands-on learning by role. ChatGPT mastery. Claude for coding. Perplexity research. Real workflows.

How to use this

Pick your path based on what you need:

5 minutes? Start with Quick Reference. Covers the essentials.
Preparing for interviews? Go Interview Prep → Jargon (search as needed).
Need to use AI at work? Use When to Use AI + your role's course.
Curious about the tools? Compare them side-by-side, then pick one to learn.