Patent ID: 8543905

Claim:
An electronic device, comprising: a display; a touch-sensitive surface; one or more processors; memory; and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for: displaying a portion of a document in a primary user interface for the document, the portion of the document including a respective author-specified term, wherein: the respective author-specified term is associated with corresponding additional information supplied by an author of the document; and the corresponding additional information is not concurrently displayed with the author-specified term in the portion of the document; receiving a request to annotate the respective author-specified term in the portion of the document; and in response to the request to annotate the respective author-specified term: annotating the respective author-specified term in the primary user interface; and generating instructions for displaying, in a supplemental user interface for the document distinct from the primary user interface, the respective author-specified term and at least a portion of the corresponding additional information for the respective author-specified term, wherein the supplemental user interface includes a user-customized quiz including the respective author-specified term and a portion of the corresponding additional information.