Cookies are small text files on your device. They are made by your web-browser when you visit a website. Every time you go back to that website, your browser will send the cookie file back to the website’s server. Cookies are useful because they allow a website to recognise a user’s device. You can find more information about cookies at: www.allaboutcookies.org and www.youronlinechoices.eu. For a video about cookies visit http://www.google.co.uk/goodtoknow/data-on-the-web/cookies
Cookies do lots of different jobs, like letting you navigate between pages efficiently, remembering your preferences, and generally improving the user experience. They can also help to ensure that adverts you see online are more relevant to you and your interests.