What gets me is how it has made all my intuitions about how to program incorrect with time. And I'm no dinosaur. I started with an old obsolete machine with 128 KB. I remember getting a hand-me-down PC with a 486 (virtual memory at last!) and 16 megabytes of RAM and I couldn't imagine how I could ever use that much memory, besides for multimedia. Still hard to imagine, sometimes. How long to sort a vector of 1 million simple elements? Intuition says about a minute, but it's milliseconds. How big a working set before cache thrashing? My intuition is attuned to single-digit kilobytes, but it's multi-digit megabytes now.
