Cookies are simple ’text files’ which you can read using the Notebook program on your own PC. Typically, they contain two pieces of information: a site name and unique user ID.
There are two types of cookies used on CCC websites
Session (Transient) cookies: these cookies are erased when you close your browser, and do not collect information from your computer. They typically store information in the form of a session identification that does not personally identify the user.
Persistent (Permanent/Stored) cookies: these cookies are stored on your hard drive until they expire (i.e. based on a set expiration date) or until you delete them. These cookies are used to collect identifying information about the user, such as Web surfing behaviour or user preferences for a specific site.