The presentation of Web pages tailored to a customer, based on the gathering of demographic information provided by the customer, is called:

The term that refers to the presentation of web pages tailored to a customer based on demographic information they provide is personalization. Personalization involves customizing the user experience by utilizing data such as demographics, preferences, and behavior to deliver content that is specifically relevant to the individual. This enhances user engagement and satisfaction as the content feels more relevant and targeted.

In contrast, interactive marketing usually focuses on creating two-way interactions and engaging the customer in a conversation or experience, but it does not specifically refer to tailoring content based on demographic data. Collaborative filtering is a technique used primarily in recommendation systems to predict a user’s interests by collecting preferences from many users, while localization involves adapting content to fit a specific locale or cultural context, which is different from personalization that focuses on individual user data.