What are cookies?
They are short text files created by a web server and stored on your computer through your browser. Later you return to the same web site, the browser sends the cookie back to the server with all information that you previously saved. Cookies uses the vast majority of web pages.
They are used to generate anonymous statistics of the web site. More on google.com
They are used to generate the lists, which are further used for a more accurate display of relevant advertising formats.
We don't store sensitive or personal data in cookies.
It is possible to disable cookies?