### Q1: What is the definition of Key Performance Indicators (KPIs) in product management?  
### Q2: How can the concept of Customer Acquisition Cost (CAC) be used to assess marketing effectiveness for a product?  
### Q3: Can you explain the process for setting achievable KPIs that align with business goals?  
### Q4: What are some common KPIs used in product management, and why are they important?  
### Q5: Which specific KPIs would you select to measure the success of a new product launch, and what rationale would support your choices?  
### Q6: Describe a situation where monitoring a KPI influenced a significant decision about a product or project. What was the result?  
### Q7: How do KPIs help in ensuring that a product team is aligned with the product vision?  
### Q8: What methods can be employed to regularly monitor and adjust KPIs based on changing business conditions?  
### Q9: Why is it essential to have specific and measurable KPIs rather than vague objectives when evaluating product success?