If it's any consolation, I understood two of the three references...
I remember when I was a clerical worker (before I moved into IT) visiting our IT site on the south coast. I was ushered into a large meeting room where the IT people were being given a pre-launch preview of the Apple Macintosh. It was so early that only some of the programs behind the icons were working. This was 1982 (?) and I think I was present at one of the first viewing of the Apple in the UK.
At the end of the demonstration, there were a lot of confused IT people saying things like very clever, but how would you use it and would anyone ever use one?
Little did they know. Great loss.