Abstract: Following the passage of the California Consumer Privacy Act (CCPA) and similar laws aimed at protecting internet users from unwillingly having their information sold to third party networks, privacy permission schemes have become increasingly relevant. There are a number of possible layouts for these schemes. However, little research has gone into their differing usability and effectiveness. The rejection of the DNT signal by ad networks highlights the importance of active choice in the ultimate implementation of a privacy permission scheme, while the annoyance of cookie banner permission notices underlines the significance of minimal disruption to the user experience. With this is mind, the privacy-tech-lab under the guidance of Sebastian Zimmeck and with funding from the Alfred P. Sloan Foundation has been working to develop a usability study of hypothetical privacy permission schemes implemented at the browser level.
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