"Your most unhappy customers are your greatest source of learning."
— Bill Gates
Your Most Unhappy Customers Are Your
Your most unhappy customers are your greatest source of learning.
About this quote
This observation appears in Chapter 12 of Business @ the Speed of Thought (1999), Gates's book on using digital technology to transform business. Gates argued that complaints and dissatisfaction from customers, while uncomfortable, contain precise information about where products and processes fall short — making unhappy customers a more valuable feedback source than satisfied ones who offer no criticism.
Source
Business @ the Speed of Thought, Chapter 12 (1999)