[ihaveajob]

I first learned about this while reading Cryptonomicon. It seemed too fantastical to be a real thing.

[hackernudes]

Pretty sure it was in Snow Crash

[ihaveajob]

No, check out https://en.wikipedia.org/wiki/Cryptonomicon#Technical_conten...

It was in a passage where some secondary character was in a prison cell and managed to spy on the screen across the wall using the technique.