Final answer:
Cookies can be helpful by storing information related to a user's preferences and settings on websites they visit. They can also be used for targeted advertising purposes, although privacy concerns exist.
Step-by-step explanation:
The use of cookies can be helpful in various ways. In the context of web browsing, cookies are small files that are stored on a user's computer by websites they visit. These cookies can retain information such as login credentials, site preferences, and shopping cart contents, making the browsing experience more convenient and personalized. For example, a cookie can remember a user's language preference on a website so that they don't have to select it every time they visit. Additionally, cookies can be used for tracking user behavior and for targeted advertisement, although this aspect has raised privacy concerns.
Learn more about Cookies and their usefulness