Customer success teams provide invaluable insights for product development. Direct feedback from customers helps prioritize feature requests and improvements. Customer success can identify common pain points that need addressing. Involve customer success in the product development lifecycle for better alignment. Use customer success metrics to validate product hypotheses and decisions. Regularly communicate product updates and gather feedback from customers. Encourage a feedback loop where customer insights drive continuous improvement. Jointly develop user personas to ensure product-market fit. Leverage customer success stories to inspire innovation and new features. Measure the impact of product changes on customer success metrics to assess effectiveness.