These post-call summary questions are a helpful way to quickly summarize *new* information learned that can be shared with others. It‘s much more effective than giving a bunch of raw notes for someone to wade through.
- What assumptions did we have before the call that were invalidated?
- Was there anything *new* we learned from the call (what surprised us)?
- What new questions do we have after the call?
- Takeaways or ideas?
Also: [Customer Interviews: How to Recruit, What to Ask, and How to Synthesize What You Learn - Product Talk](https://www.producttalk.org/2022/12/customer-interviews/)