Cookies cannot be used to run programs or deliver viruses to your computer. Cookies are uniquely assigned to you, and can only be read by a web server in the domain that issued the cookie to you.
Cookies provide a convenience feature to save you time. The purpose of a cookie is to tell the Web server that you have returned to a specific page. For example, a cookie helps us to recall your specific information on subsequent visits. This simplifies the process of recording your personal information, such as billing addresses, shipping addresses, and so on. When you return to the same website, the information you previously provided can be retrieved, so you can easily use the features that you customized.
In general, cookies are used to retain user preferences, store information for things like shopping carts, and provide anonymized tracking data to third party applications like Google Analytics. As a rule, cookies will make your browsing experience better.
You have the ability to accept or decline cookies. Most Web browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. If you choose to decline cookies, you may not be able to fully experience the interactive features of the services or websites you visit.