For more general information on cookies, see the Wikipedia article on HTTP Cookies.
There are two broad categories of cookies:
You can prevent the setting of cookies by adjusting the settings on your browser (see your browser Help menu for how to do this). Be aware that disabling cookies will affect the functionality of the Site and many other websites that you visit. Disabling cookies will usually result in also disabling certain functionality and features of the Site. Therefore it is recommended that you do not disable cookies.
Please be aware that you may not be able to use all the interactive features of the Site and/or online courses and content or other services on the Site once cookies are disabled.
Most browsers offer instructions on how to change your cookie settings. These settings will typically be found in the ‘Options > Preferences’ menu of your browser. In order to understand these settings, the following links may be helpful, otherwise you should use the ‘Help’ option in your browser for more details.
If you only want to limit third party advertising cookies, you can turn such cookies off by visiting the following links:
Please bear in mind that there are many more companies listed on these sites than those that drop cookies via the Site.