A cookie is a small data file that is transferred to your device (e.g. your phone or your computer) which collects information, including personal information about you. They are widely used in order to make websites work, or work more efficiently, as well as to provide information to the owners of websites. For example, a cookie could allow our website to recognise your browser, while another could store your preferences and other information and let you navigate the website effectively. Cookies can also help to ensure that adverts you see online are more relevant to you and your interests.