Janelle is shopping for jeans from Express. She clicks on a style she likes. The site quickly presents her with a close-up view of her selection and additional information that will help her make a decision. When she adds the jeans to her cart, the website quickly shows her that other customers that purchased the same pair of jeans also purchased a particular shirt and boots. As the retailer's website learns more about Janelle and her purchase preferences, it is able to push other ideas toward her, and potentially increase the online retailers units per transaction. The technology that generates this type of intelligence and personalization is called

A. social media
B. cookie mining
C. Web 2.0
D. Web 3.0

A cookie also called http/web/internet cookie are small pieces of information that your web browser stores on your computer while you browse the internet, they are designed to help websites keep a record the user's browsing activity. The information stored as cookies can be minned to discover patterns and users' preferences, as it is in the question scenario, a recommendation system has been implemented using the saved cookies