I already raised this in the 1:00 section, and we’ll get to it in the 2:40 section today: typeface choices.
The size and shape of fonts affects reading and comprehension to a much greater extent than most of us give them credit for — thus making them deeply rhetorical choices. We’ll talk about some of those differences in class and look at examples, including default fonts in your favorite word-processing program and in Digication.
From Wysocki’s Compose Design Advocate: