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To make this site work properly, we sometimes place small data files called cookies on your device. Most big websites do this too.
A cookie is a small text file that a website saves on your computer or mobile device when you visit the site. It enables the website to remember your actions and preferences (such as login, language, font size and other display preferences) over a period of time, so you don’t have to keep re-entering them whenever you come back to the site or browse from one page to another.
This table tells you more about what cookies we use, and why we have them.