1. A method comprising: storing in a memory user-specific information associated with a particular user, the user-specific information including explicit user-specified information and implicit user information based on previously-captured user interactions with content elements; generating compilation data defining an automatically-selected customized collection of content anticipated to be appealing to the particular user based on the user-specific information, the compilation data identifying a plurality of content elements in the customized collection of content; and delivering the plurality of content elements of the customized collection of content to a user device via a wireless data network in accordance with the compilation data, the delivering being in advance of an anticipated request for use of the plurality of content elements as determined from the implicit user information based on previously-captured user interactions with content elements by the particular user, wherein the delivering includes delivering at least one content element of the plurality of content elements to the user device via the wireless data network during a time period of increased available wireless data network capacity.