It is no exaggeration to say that the history of typography is the history of technology. Technologies that were once new and actively used sometimes leave traces like obsolete institutions, and conversely, old technologies sometimes wear clothes that fit the modern times and remain valid technologies. LetterSeed 13: Technology and Typography provides and explores clues about expressions that have newly emerged in the typography field according to media environments and technological changes, old but still valid technologies, and the skills and education of designers who handle them.