[frakt0x90]

Books are also technology that allow you to answer complex questions without recording the question.

[Jalad]

Not necessarily though, it depends on where you got the book from (Amazon, the library?), and what your question is

[shadowgovt]

In general, libraries actually do go out of their way to minimize the ways circulation history can be used against card-holders.

This isn't airtight, but it'a a point of principle for most libraries and librarians and they've gone to the mat over this. https://www.newtactics.org/tactics/protecting-right-privacy-...