Cookies are pieces of information that are used by Internet browsers (Internet Explorer, Google Chrome, Safari, etc.).
What are they for?
You serve web experience more consistent and faster. You should also know that these data are directly related to advertising showing Google.
Can you disable it?
Of course yes. On the web you have a lot of information. You just have to put in google the words: “disable cookies”.
You have doubts?
You can contact me at email email@example.com, or better yet contact me by facebook, via private message.