More and more eCommerce providers rely on a personalised user experience for their customers.
The best example of a wide and far reaching user experience is the fashion industry.
There are now 52 seasons a year instead of four which can make it difficult for retailers to know what the next step is to take for their customers. With that in mind retailers invest heavily in customer feedback. Many platforms even offer its customers their own WhatsApp channel for individual shopping advice, and of course to gain more insights.
https://www.searchenginepeople.com/blog/empathetic-websites-knowing-customers-user-personas.html/