Cookies are small pieces of text sent by your web browser to a website you visit. A cookie file is stored in your web browser and allows the Service or a thirdparty to recognize you and make your next visit easier and the Service more useful to you.
Cookies can be "persistent" or "session" cookies.
When you use and access the Service, we may place a number of cookies files in your web browser.
We use both session and persistent cookies on the Service and we use different types of cookies to run the Service:
In addition to our own cookies, we may also use various thirdparties cookies to report usage statistics of the Service, deliver advertisements on and through the Service, and so on.
You can learn more about cookies at Wikipeda: https://en.wikipedia.org/wiki/Cookie_(web)