A cookie is a small text file that is downloaded to your computer when you visit a website or complete a certain action on a website. When you revisit a website or navigate to a new page on the website your computer will check to see whether there is a relevant cookie and can therefore tailor your experience to your activity. For example, it may pull an item through to your basket or recommend a product based on your previous preferences. Cookies are not a program and do not do anything on your computer without you interacting with the website, or other associated websites. You can clear cookies from your computer in your browser at any time or choose not to allow them at all.