I paid more than I could afford for them.

I suspect that one story paid for all of them, though.

It’s a thought experiment. I’d forgotten the opening of the story (aliens decide to Mess with Us) but remembered what happened after that.

We’re in a department store. And someone drops off two matter duplicators. They have pans. You put something in pan one, press a button, its exact duplicate appears in pan two.

We spend a day in the department store as they sell everything they have as cheaply as possible, duplicating things with the matter duplicator, making what they can on each sale, and using checks and credit cards, not cash (you can now perfectly duplicate cash—which obviously is no longer legal tender). Towards the end they stop and take stock of the new world waiting for them and realize that all the rules have changed, but craftsmen and engineers are more necessary than ever. That companies won’t be manufacturing millions of identical things, but they’ll need to make hundreds, perhaps thousands, of slightly different things, that their stores will be showrooms for things, that stockrooms will be history. That there will now be fundamental changes including, in 1950s-style retailing, in a phrase that turned up well after 1958, a long tail.

Being Astounding Science Fiction, the story contains the moral of 95 percent of Astounding Science Fiction stories, which could perhaps be reduced to: People are smart. We’ll cope.

When my friends who were musicians first started complaining sadly about people stealing their music on Napster, back in the 1990s, I told them about the story of the duplicator machines. (I could not remember the name of the story or the author. It was not until I agreed to write this introduction I asked a friend, via e-mail, and found myself, a Google later, rereading it for the first time in decades.)

It seemed to me that copying music was not stealing. It was something else. It was the duplicator machine story: you were pressing a button and an object appeared in the pan. Which meant, I suspected, that music-as-object (CD, vinyl, cassette tape) was going to lose value, and that other things—mostly things that could not be reproduced, things like live shows and personal contact—would increase in value.

I remembered what Charles Dickens did, a hundred and fifty years before, when copyright laws meant that his copyrights were worth nothing in the US: he was widely read, but he was not making any money from it. So he took the piracy as advertising, and toured the US in theaters, reading from his books. He made money, and he saw America.

So I started doing Evenings with Neil Gaiman as fund-raisers for the Comic Book Legal Defense Fund, and learning how to do that; to make an evening interesting for an audience, with just me and a stage and things I’d written, partly because it seemed to me that one day it might not be as easy to make money from selling stories in the traditional way, but that business might still continue more or less as usual, during the alterations, if there were other things I could do.