Interest
Proportion of Hacker News items mentioning "codex" over time.
Mentions
Total number of Hacker News items mentioning "codex" over time.
The codex was the historical ancestor format of the modern book. Technically, the vast majority of modern books use the codex format, of a stack of pages bound at one edge. However, the term codex is now reserved for older manuscript books, which mostly used sheets of vellum, parchment, or papyrus, rather than paper. Read more on Wikipedia