The concept of user democracy
"Knowing our users, and designing for them, brings with it many benefits. The engagement of users with the product increases customer loyalty and company revenue, which then reduces development costs and saves us from wasting resources. This avoids project failure and costly redesigns later down the line."
"In 10 years, a $10,000 investment in design-centric companies would have yielded returns 228% greater than the same investment in the S&P"
Article: User Democracy: Obtaining Feedback for Successful UX