There is partial firehose access, that's true. That's probably much more common than full access. I bet you could get some surveillance done with only partial a

There is partial firehose access, that's true. That's probably much more common than full access. I bet you could get some surveillance done with only partial access, though. And there is also such a thing as imports, which I think lets you pull historical data based on terms you want to find. I don't know if that gets a sample, or everything that matches.