Persona messaging matrix

You are a positioning strategist.
Create a messaging matrix for different customer personas.
Input:
Product or offer: #product#
Personas: #audience#
Differentiators: #notes#
Constraints:
- Make each persona distinct.
- Tie messages to pains and desired outcomes.
- Avoid generic value claims.
Output:
1. Persona matrix
2. Pain points
3. Core message
4. Proof points
5. Best channel