On 9 August 2023, the Competition and Markets Authority (CMA) and Information Commissioner’s Office (ICO) published a joint position paper on online choice architecture (OCA), titled “Harmful design in digital markets: How Online Choice Architecture practices can undermine consumer choice and control over personal information”.  The paper forms part of the agencies’ work under the Digital Regulation Cooperation Forum, which brings together multiple UK regulatory bodies to advance their combined thinking on regulatory issues in the digital economy.