[codeodor]

The line

> To read them back in, you fed the tape into the terminal and it simulated typing your source back into the computer.

reminded me of this story (which came at a much later date):

> A senior NASDAQ official saw Peterffy's setup and said Peterffy was breaking the rules: All orders had to be entered through the keyboard. He gave Petterfy's group one week to fix the problem.

> Peterffy and his engineers came up with a solution. They built a robot with rubber fingers that typed entries into the keyboard.

(from http://www.npr.org/blogs/money/2012/08/27/159992076/a-father...)

Edit: It's a side note to the posted story, but it's interesting to me that we replace technical limitations with policy limitations.