This document discusses analyzing audience and purpose when creating documents. It emphasizes understanding who the audience is, their attitudes and expectations, and how they will use the information. The document also stresses determining the purpose of the document - why the audience is reading it. Together, understanding the audience and purpose helps inform the tone, content, and medium used to best convey the information. An example is provided of reimagining a 2005 article for current audiences and purposes using different mediums like Twitter or YouTube.