Given the option to ‘send not track’ the HTTP header is a hidden option within the already up to date version of Safari. Apple has since made this device a mainstream deal.
The ability to block cookies is on by default from third parties and advertisers according to a few developers from Apple. Another add on is a website tracking option which is important to provide search engines with proper indexing tools.
Google is believed to have sabotaged their list of default advertising cookies through the websites they have previously placed advertisements on. Google’s default settings are not looking very promising in the media, as are the Safari privacy settings.