1) The document proposes a new model to explain users' adoption of information technologies by focusing on how technologies help users express their self-identity through symbolic associations. 2) It studies how perceptions of usefulness, costs, ease of use, and enjoyment relate to intentions to adopt mobile TV, with self-identity acting as a mediator. 3) The results suggest that firms should identify and activate key identity associations to influence adoption, rather than just focusing on usefulness or usability. Addressing negative symbolic associations is also important.