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You can disable any cookies already stored on your computer or other device, but these may stop many web sites from functioning properly. Users are advised that if they wish to deny the use or saving of cookies from any website, they should take necessary steps within their web browsers security settings to block cookies, this will however likely affect the site's functionality.
None of the above gives the site owner the right to share any personal information with third parties nor can a web site access information on your computer, such as email address or passwords, that you have not previously allowed.
Thank you - Signature Creative.