; or (II) celebrities who appeal to children; (vii) the language used on the digital service; (viii) advertising content or promotional materials used on, or used to advertise or promote, the digital service; (ix) reliable empirical evidence relating to— (I) the composition of the audience of the digital service, including— (aa) data the operator of the digital service may directly or indirectly collect, use, profile, buy, sell, classify, or analyze (via algorithms or other forms of data analytics, including look-alike modeling) about a user or groups of users to estimate, identify, or classify the age or age range (or a proxy thereof) of such user or groups of users; (bb) advertising information or results, such as data, reporting, or information from the internal communications of the operator of the digital service, including documentation about its advertising practices, such as an advertisement insertion order, or other promotional material to marketers, that indicates that covered information is being collected from children that are using the digital service; (cc) data or reporting from the general or trade press of the digital service indicating that children are using the digital service; (dd) complaints from parents or other third parties about child users using the digital service, whether through the complaint mechanism of the digital service, by email, or by other means; and (ee) data or reporting from a privacy and security impact assessment and mitigation, compliance program, or other compliance, risk management, or internal process that documents privacy risks and controls related to children’s privacy, including the existence of data analytics controlled by the operator of the digital service, including those of service providers, and content analytics capabilities and functions or outputs