That was interesting, I cleaned out my bookshelves a bit and put the books I didn’t want in the corridor. It was mostly books on software engineering, object oriented programming, databases, a surprising number of books on operating systems, realtime programming, computer architecture, C, Java, Python, HCI and UX, etc. Sent out an email and after 1h it look like this, most books on operating systems are gone.

A wooden bookshelf filled with computer science and technology books is in a hallway. A sign on the top shelf reads “Feel free to take books.” There are stacks of books on top of the shelf as well. In the background, a digital screen displays