By an odd coincidence, I am now re-reading Spider Robinson's "Mindkiller", a sci-fi novel from the early 80's (but set in the late 90's), which was one of the first I know of to deal with the concept of "wireheading" as drug use. Pretty good stuff; I read it shortly after it came out and liked it; interesting to see what he got right and wrong about the near future.
I'm about halfway through; I plan to do a small book report for #hubskibookclub about it.
It's funny, it's harder to see what he got right. What he got wrong leaps off the page, as you'd expect. Video calling and MJ legalisation he got somewhat right, if a little early. He mentions his home computer (a very high-end model) has 4 terabytes of memory, which would have seemed insane when he wrote it. One of the funny ones he got wrong - he reckoned cigarettes would be ashless and self-lighting. I'm assuming he is (or was) a smoker.