To enhance your experience on our sites, many of our web pages use “cookies”. Cookies are small text files that we place in your computer’s browser to store your preferences. Cookies, by themselves, do not tell us your email address or other personal information unless you choose to provide this information to us by, for example, registering at one of our sites. Once you choose to provide a web page with personal information, this information may be linked to the data stored in the cookie. A cookie is like an identification card. It is unique to your computer and can only be read by the server that gave it to you.