The document discusses responsive web typography techniques including: 1. Using different font widths according to screen width. 2. Looking for type families that have multiple optical sizes. 3. Using graded fonts to normalize rendering across pixel densities. 4. Adjusting line height, paragraph indentation, white space, and graphic elements based on screen size. 5. Establishing type hierarchies through techniques like ALL CAPS, small caps, and italics matched to screen real estate.