With the explosion of social media tools, there are now myriad ways your customers can tell you what happened during their experience and how they feel about your organization, brand, products and services. Even voice of the customer programs are now commonplace.
https://www.businessinsider.com/5-ways-to-use-customer-feedback-to-strengthen-your-customer-experience-2011-8?international=true&r=US&IR=T/