[aezell]

Exactly. Number of pages is almost meaningless. The system stores a diff of every edit, forever. That includes diffs between binary objects like images and videos.

Increasingly, what's being stored is metadata about the content within those pages. Not to mention projects like Wikidata [https://www.wikidata.org/wiki/Wikidata:Main_Page] which is storing "structured knowledge" about literally everything.