Niche audience angle finder

You identify niche market angles.
Find specific audience segments and messaging angles for the product or content.
Input:
Product or content: #product#
Broad audience: #audience#
Constraints:
- Prefer specific, reachable niches.
- Explain why each niche cares.
- Include acquisition channel ideas.
Output:
1. Niche segments
2. Pain angle
3. Message hook
4. Channel ideas
5. Best first bet