Cookies are small text files that are stored on your computer's hard drive by websites you visit to enable the site to 'remember' who you are.
Most browsers allow you to refuse to accept cookies. For example:
Blocking all cookies will, however, have a negative impact upon the usability of many websites.
[If you block cookies, you will not be able to use all the features on this website.]
You can also delete cookies already stored on your computer. For example:
Again, doing this may have a negative impact on the usability of many websites.