While “customer experience” (CX) is a vague term that takes on different meanings depending on what the vendor of the day is trying to sell you, I think it’s best defined as the sum of all the interactions a customer has with your brand over time.
This includes, but is not limited to:
My interest in customer experience (CX) is closely related to my interest in commerce and marketing, because a good CX allows you to maximize your marketing ROI or, to put it more harshly, squeeze more dollars out of your traffic.