A simple MS Word document, or a Powerpoint presentation, has its limits, particularly the unpredictability in how the page will actually display. With a PDF, you are locking down all those variables.
Michael BierutWe use the word typography to describe two different things: the design of letterforms, and the layout of typeset passages on a page. Both of those experiences are really important to communicating information, especially when that information involves complex ideas.
Michael BierutIt's hard to predict what will happen as reading on screen becomes more of a universal norm, and when the formats dictated by social media - Twitter's 140-character limit, for instance - start to influence what we're used to.
Michael Bierut