; (ii) the inability of a user of a platform owned or controlled by a covered entity to protect the interests of the user in selecting or using a product or service of the covered entity; or (iii) the reasonable reliance by a user of a platform owned or controlled by a covered entity on the representation of the covered entity to act in the best interests of the user. (2) Commission enforcement The Commission may promulgate rules to further define the term abusive act or practice for purposes of this section. 2318. Data brokers An operator of a dominant platform may not, for monetary or other consideration, sell, resell, license, or trade to a data broker personal data, except in accordance with other laws permitting disclosure of personal data and rules promulgated by the Commission to implement this section. B Data portability and interoperability. 2321. Data portability and interoperability (a) Data portability An operator of a dominant platform, with respect to the dominant platform, shall maintain a set of interfaces that are transparent and accessible to third parties (including application programming interfaces) to provide a user (or a third party authorized by a user), upon the request of the user (or such a third party) and free of charge, with effective portability of data provided by the user or generated through the activity of the user in the context of the use of the relevant core platform service of the dominant platform, including by providing free of charge tools to facilitate the effective exercise of that data portability. (b) Interoperability An operator of a dominant platform, with respect to the dominant platform, shall, free of charge— (1) allow a business user, provider of services, provider of ancillary services, or provider of hardware access to and interoperability with the same hardware features and software features accessed or controlled via an operating system that are available to services on the dominant platform or hardware provided by the operator