4.3.1 Microsoft Internet Explorer: https://support.microsoft.com/en-gb/help/17442/windows-internet-explorer-delete-manage-cookies

  4.3.2 Google Chrome: https://support.google.com/chrome/answer/95647?co=GENIE.Platform%3DDesktop&hl=en

  4.3.3 Mozilla Firefox: https://support.mozilla.org/en-US/kb/enable-and-disable-cookies- website-preferences

  4.3.4 Apple Safari: https://support.apple.com/kb/PH21411?locale=en_US

  4.4.1 http://www.aboutads.info/choices/,

  4.4.2 http://www.networkadvertising.org/choices/; or

  4.4.3 http://youronlinechoices.com/