The query pertains to the date of the advent of highlighting markers, specifically those designed to temporarily mark text with a translucent, fluorescent color. These markers are used to emphasize specific sections of written material without obscuring the underlying text.
The introduction of such markers provided a more efficient and less permanent alternative to underlining or using opaque pens. This innovation streamlined the process of text analysis and information retrieval, finding applications in education, professional environments, and personal organization. Their development emerged within a specific technological and consumer context related to advancements in ink and marker technology.
