A cookie, also known as an HTTP cookie, web cookie, or browser cookie, is a piece of data stored by a website within a browser, and then subsequently sent back to the same website by the browser. Cookies were designed to be a reliable mechanism for websites to remember things that a browser had done there in the past, which can include having clicked particular buttons, logging in, or having read pages on that site months or years ago.When we provide services, we want to make them easy, useful and reliable. Where services are delivered on the internet, this sometimes involves placing small amounts of information on your device, for example, your computer or mobile phone. These include small files known as cookies. They cannot be used to identify you personally.Log files allow us to record visitors? use of the site. The CMS puts together log file information from all our visitors, which we use to make improvements to the layout of the site and to the information in it, based on the way that visitors move around it. Log files do not contain any personal information about you. If you receive the HTML-formatted version of a newsletter, your opening of the newsletter email is notified to us and saved. Your clicks on links in the newsletter are also saved. These and the open statistics are used in aggregate form to give us an indication of the popularity of the content and to help us make decisions about future content and formatting.