Abstract: Described are computer-based methods and apparatuses, including computer program products, for dynamic user interface customization. A set of functions for a user interface is stored, each function comprising a function that can be added to the user interface. A first set of data is transmitted to a remote device that causes the user interface to be displayed on the remote device with a predetermined set of functions from the set of functions. Interaction data is received indicative of a user's interactions with the user interface. A second set of data is transmitted to the remote device that causes the user interface to dynamically add a new function from the set of functions to the user interface based on the interaction data, wherein the new function is displayed as a selectable item in the user interface that the user can select to use a function associated with the new function.

Abstract: A computer-implemented method of providing specialized media on a website is disclosed. The method includes producing campaign media which is delivered to a user through a third-party provider. After the user has received the campaign media, and upon indication of a request from the user to access a website controlled by a content provider, specialized media on a website controlled by the content provider may be provided. Providing the specialized media may be done based on the campaign media previously delivered to the user through the third-party provider.