Earlier quoted context omitted.
Another interesting item I hadn't heard before is that Snowden tried to leave clues as to which files he copied, and which files he looked at but didn't take: But he believes the NSA's audit missed those clues and simply reported the total number of documents he touched—1.7 million. (Snowden says he actually took far fewer.) “I figured they would have a hard time,” he says. “I didn't figure they would be completely i…
When the article chose to put quotes around "touched", my thought was that Snowden was being clever and running a script that ran 'touch $file' for everything he had stolen. That's what I'm going to choose to believe, anyways. :)
In that sense, I think he's being slightly naive there -- it's clear that, once the story got huge, Clapper and Alexander had an interest in exaggerating the number as much as possible; so for all we know, they might have actually understood Snowden's scheme but willfully chosen to ignore it.