Companies spend millions of dollars on Voice of the Customer (VOC) tools. The goal? Understand their customers and prospects in order to improve products, customer service, messaging and marketing. These tools include surveys, focus groups, customer service reports and athlete or celebrity endorsements, among others. However, collecting and measuring the true Voice of the Buyer (VOB) is often not in the mix of the typical VOC initiative.
https://channelsignal.com/blog/benchmark-voice-customer/