Content personalisation technologies may hold the key to solving the information overload problem associated with the Internet, by facilitating the development of information services that are customised for the needs of individual users. For example, PTV is an award-winning, Web-based personalised television listings service capable of learning about the viewing habits of individual users and of generating personalised TV guides for these users. This paper describes how PTV has been recently adapted for use on the new generation of WAP-enabled Internet devices such as mobile phones - the need for content personalisation is even more acute on WAP devices due to their restricted presentation capabilities.