the rest of the world. the utter lack of information was astounding. >> was there knowledge about the outside world all wrong in terms of propaganda or did they just learn nothing? >> it was all like a mismatch. you know, they didn't know the existence of the internet in 2011, and this was a pyongyang university of science and technology. their major was computer a lot of them, but they thought internet, it's just north korea's -- it's like predownloaded information system. they thought that was the internet. >> how did you get the notes out? that itself is a story. >> i wrote morning and night and i had a laptop with me since i was a teacher, or posing as a teacher. but then i would write all this information and then put them on the us b stick, a couple of them and erase them all from the laptop because i knew they could search my things. >> when you got it out, did you