Functionality cookies allow users to customise how a website looks for them: they can remember usernames, language preferences and regions, and can be used to provide more personal services like local weather reports and traffic news.
Here are some examples of how we use functionality cookies: Storing your user preferences on Your Account page Restricting the number of times you're shown a particular advertisement (which is sometimes called 'frequency capping'.
Although all functionality available through traditional cookies can be implemented with XDC cookies, we do not propose phasing them out, even in the long term.
Though they also note that it will support cookies if the site turns that functionality on as well.
Eduardo Ustaran is advising clients to identify all their cookies, assess their necessity (for the functionality of the site) and intrusiveness, make clear and prominent disclosures on their websites about cookie use, and consider potential strategies for giving users effective control over them.
And that subtlety has been lost as the warnings don't differentiate between cookies used to track or for basic page functionality, said Greg Rouchotas, technical director at Civic UK. "They don't have to actually think about what cookies are or why they're used, are they used for a specific purpose the user or does it only benefit the organisation – all that has gone out the window".
Other functionalities include cookie removal, and banner ad blocking.
"However, the Safari browser contained functionality that then enabled other Google advertising cookies to be set on the browser [by other advertising companies using the DoubleClick network].
However, the Safari browser contained functionality that then enabled other Google advertising cookies to be set on the browser.
Ms Whetsone said the company had created new systems to make sure the information it collected was anonymous, but this had led to unintended consequences: "The Safari browser contained functionality that then enabled other Google advertising cookies to be set on the browser.
We are enabling this functionality by implementing a DoubleClick ad-serving cookie across the Google content network.
