Let's start out with 'books.'
When supporting the activity https://community.intel.com/t5/Blogs/Products-and-Solutions/Security/How-Secure-Boot-helps-protect-against-bootkits-used-in-malware/post/1337354 and the linked video https://www.youtube.com/watch?v=FqC332VCgYI I was reminded of my many office-mates during the work-from-home, namely
On that theme of variety, to me it's important to sample the humanities, such as good literature and philosophy, to remind myself what it means to be human, as it is to dive deeply into both my technical domain and the adjacencies. The latter is especially important as innovation often happens at the seams between two domains, and texts that go deep into my domain are often rearview mirror & retrospective, not forward looking. Forward looking includes fusion and leverage of alternate domains into my field. Think some technique of mathematical logic that can be applied to system software, for example.