A Historical Evolution of Marketing Surveys: NPS, CSAT, and Voice of Customer
Marketing surveys have played a pivotal role in shaping the way businesses understand and engage with their customers. From the early days of simple feedback forms to the sophisticated tools we use today, surveys like Net Promoter Score (NPS), Voice of Customer (VoC), and Customer Satisfaction (CSAT) have evolved significantly. This timeline takes you through the history of these essential survey methods, exploring their development and impact on modern marketing strategies. 1750 BC Circa – A Babylonian merchant writes the first known customer complaint on a clay tablet. 1912 – Charles Parlin conducts the first large-scale consumer surveys in the