When it comes to customer expectations, it is no surprise that with all the latest tech-leaning us towards instant gratification that millennials have higher expectations for customer experience. This is mostly due to instant gratification with mobile and email notifications from brands.
A recent report from Adobe surveyed 1,500 U.S. adults regarding preferences and expectations for digital experiences in the retail, travel & hospitality, media & entertainment, and financial services industries and found that expectations for customer experience are much higher coming from the millennial age group than ever before.
https://www.forbes.com/sites/nicolemartin1/2019/03/26/why-millennials-have-higher-expectations-for-customer-experience-than-older-generations/