"They tried that once before, back in the late 90s. They created some kind of software that would crawl message boards and alert the agency to phrases like "the next Microsoft".
Needless to say, it was completely useless. "
Technology is quite a bit different 20 years later. I think they're looking for phrases that indicate inside information which would conversely indicate stock manipulation if it isn't.
All they need it to do is make an example out of a few people. Hopefully the right people.