Companies invest in market research, third-party intent data and prospect intelligence tools to refine messaging and improve targeting. Many overlook the customers they already have as a source of insight, according to [Demand Gen Report](https://www.demandgenreport.com/demanding-views/your-best-prospect-data-comes-from-customers-you-already-have/54062/).
Over 70% of customer revenue leaders say their revenue comes primarily from existing customers.