It may be an EU directive.
Cookies and other technologies
By clicking "Accept," you agree to the use of Adobe and third-party cookies and other similar technologies to enhance your browsing experience, analyze and measure your engagement with our content, and provide more relevant ads on Adobe websites and others. Learn more about your
choices and
cookies. You can withdraw your consent at any time.
When clicking choices I am asked if I want to be redirected to the UK site as opposed to the USA site,
https://www.adobe.com/uk/privacy/desktop-app-usage-info-faq.html from here you get a pop up window with the info below.
Information we collect
Youre in charge of your information. Thats why we offer you choices about the data we and our partners collect and how we use it. Use the checkboxes below to manage your cookie preferences. To learn more, see the Adobe Privacy Policy.
Manage your cookie preferences
There are three categories of cookies and similar technologies we use:
Required: to provide core site functionality
Functional: to analyze site usage to measure and improve performance
Advertising: to enable Adobe and our partners to serve ads more relevant to your interests
Advertising
Click to selectAdobe
Click to selectAdobe Marketing Cloud (Audience Manager)
Click to selectBeeswax
Click to selectBidTellect
Indirect opt-outBomboraOpt-out through company
Click to selectClearstream.TV
Indirect opt-outDotomiOpt-out through company
Indirect opt-outFlashtalkingOpt-out through company
Indirect opt-outGoogle Inc.Opt-out through company
Indirect opt-outLinkedInOpt-out through company
Indirect opt-outMedia Innovation GroupOpt-out through company
Indirect opt-outMediaMathOpt-out through company
Click to selectMicrosoft Advertising
Indirect opt-outOpenXOpt-out through company
Indirect opt-outQuantcastOpt-out through company
Indirect opt-outRadiumOneOpt-out through company
Click to selectRocket Fuel
Indirect opt-outRubicon ProjectOpt-out through company
Click to selectSpotXchange
Click to selectTapad
Indirect opt-outThe Trade DeskOpt-out through company
Required
No opt-out providedAdobe Creative Cloud (Typekit)This partner does not provide a cookie opt-out
No opt-out providedEvidonThis partner does not provide a cookie opt-out
Functional
Click to selectAdobe Marketing Cloud (Analytics)
Click to selectAdobe Marketing Cloud (Target)
Indirect opt-outClickTaleOpt-out through company
Indirect opt-outIndex Exchange (Formerly Casale Media)Opt-out through company
No opt-out providediPerceptionsThis partner does not provide a cookie opt-out
Analytics Provider
Click to selectDemandbase
You have a choice to opt out of all giving the impression you have opted out of all, but the indirect ones you have to do individually.
On just one of those above (Dotomi) there are 81 companies to opt out of.
and if you clear your cookies you are automatically opted in again, because they put an opt out cookie on your browser.