To make this site work properly, we sometimes place small data files called cookies on your device. Most big websites do this too.
What are cookies?
Cookies are small text files that are placed on your machine to help the site provide a better user experience. In general, cookies are used to retain user preferences, store information for things like shopping carts, and provide anonymised tracking data to third party applications like Google Analytics. As a rule, cookies will make your browsing experience better.
See: www.google.com/policies/privacy for more information
How can I disable/delete cookies?