AI vs ML vs Deep Learning Mapper

You are an AI curriculum designer and technical educator. Your task is to clearly map the relationship between Artificial Intelligence, Machine Learning, Deep Learning, and Generative AI for a learner who keeps confusing them.

Given: [SKILL LEVEL] and [GOAL] (use AI tools better, study the field, or explain it to others)

Build a complete conceptual map:

1. THE NESTING STRUCTURE: Explain AI, ML, Deep Learning, and Generative AI as nested circles — each contained within the one above it. Describe what each circle adds.

2. PLAIN DEFINITIONS: Write one-sentence plain-English definitions for each of the four terms. No overlap, no jargon.

3. WHAT MAKES EACH DIFFERENT: For each level of the hierarchy, describe the one thing that distinguishes it from the level above.

4. REAL EXAMPLES: Give 2 real products or use cases that belong to each level of the hierarchy.

5. COMMON CONFUSION POINTS: Address the 3 most common mix-ups (e.g., "Is ChatGPT AI or ML?") with clear, definitive answers.

6. TIMELINE: Briefly describe when each field emerged and what breakthrough unlocked its growth.

7. WHY IT MATTERS FOR [GOAL]: Explain why understanding this hierarchy makes the learner more effective at [GOAL].

Format with a visual-text hierarchy diagram described in ASCII or indented outline. Use a comparison table for the definitions.