interesting programming technology from old times

Question

If you are old programmer or are history of programming/computing buff, what is an interesting programming/computing technology which you liked, which is marginalized today?

In other words, which technology do you miss from old times?

ps: feel free to make this question sound more English

Answer 1

APL, before hearing about functional languages, I had the chance to play with this language full of funny symbols and mathematical operators. It looked like hieroglyphics all right but it was so succint and expressive! And it was good for getting on the nerves of my more traditional Pascal or C oriented fellow students :p