5. The method of claim 1 , further comprising: displaying, for a most frequently looked up one of displayed words of the scrollable list, a plurality of sentences including the most frequently looked up one of the displayed words, the plurality of sentences being obtained from a plurality of media sources, and being displayed in reverse chronological order with respect to at least one of a date and a time associated by the media sources with the sentences.
5. The method of claim 1 , further comprising: displaying, for a most frequently looked up one of displayed words of the scrollable list, a plurality of sentences including the most frequently looked up one of the displayed words, the plurality of sentences being obtained from a plurality of media sources, and being displayed in reverse chronological order with respect to at least one of a date and a time associated by the media sources with the sentences. 7. The method of claim 5 , wherein the plurality of media sources is user-selectable and are included in accordance with respective categorizations of the sources as at least one of: news, medicine, science, business, arts, culture, sports, fiction, and technology.