There was a book

called Parallel Distributed Computing that came out of groups at, I think, at San Diego and Carnegie Mellon, where they were building multilayer networks.

And this is when backpropagation was happening.

discovered slash rediscovered.

Again, a lot of these ideas had been around, but they hadn't made it into the mainstream.

But the PDP books were extremely influential.

They came with a floppy disk that had the code on so you could run them.

There's an... drives the wrong way on a street or