Serifs are the little lines trailing from the edges of letter and symbols. (Sans-serif type, on the other hand, doesn't have them.) He likes ribbon cloth lanyards because, he says, they feel rich.

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Given a lens to notice lettering styles by the typographer Paul Shaw, I counted six distinct serifed fonts in the lobby of the building where I work, punctuated by only one word -- EXIT -- entirely without serifs.

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With one slight exception, perhaps of at least curiosity interest to Mathematica aficionados: he suggested that cells in Mathematica notebook documents (now CDFs) should be indicated not by simple vertical lines but instead by brackets with little serifs at their ends.

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