Earlier quoted context omitted.
It went un-noticed here, I think, but The Pragmatic Bookshelf recently fired most of its staff and are taking on no new books. In the email they sent to authors, they quoted a 40% YoY fall in non-fiction sales, industry-wide.
As an avid reader (and sometimes writer) of technical books, it's sad to see the, perhaps inevitable, decline of the space. I still remember in the early 2000s Barnes and Noble would still have massive shelf space devoted to every technical topic you could imagine. I could spend hours just exploring what languages and topics there were I didn't even know existed. Powell's Technical Books used to be an entire separate…
I was a developer in the 90s before Netscape even came out. I didn't have a computer at home and dialup barely existed. If you wanted to do computer stuff you had to read. If you wanted to try a library you had to buy a CD from a bookstore or mail in an order which would get posted to you.