2.16 Validate usability through testing and real-world usage

Monitor user feedback and real usage to evaluate feature effectiveness, and use usability testing and user research to guide ongoing improvements.

Usage changes:
Monitor user feedback, adoption, and churn for each feature. Use these insights to guide updates and future releases.
Usability testing:
Use usability testing, real user metrics, and user interviews throughout product development. Measure the impact of findings and check whether released features meet user needs and internal goals.