1
https://www.salesforce.com/blog/2018/06/digital-customers-research.html
2
https://www.pwc.com/us/en/advisory-services/publications/consumer-intelligence-series/pwc-consumer-intelligence-series-customer-experience.pdf
3
https://www.groovehq.com/support/customer-support-statistics
4
https://hbr.org/2014/08/the-value-of-customer-experience-quantified
