The "1984" T-shirt was suggested by one of the NSA reps at the CFP conference.

The fellow involved was indeed from the the NSA, but he was by no means representing it. I understand from him that he did a bit of bureaucratic hacking just to attend. He also kindly offered to post from dockmaster that he had seen me and some other tentacles in the same place and at the same time at a privacy conference, but alas, there were no tentacles to be found. Eric