That sounds cool and I can believe that the totality of survey information etc. contains a lot of extractable information that isn't always made use of or needs

That sounds cool and I can believe that the totality of survey information etc. contains a lot of extractable information that isn't always made use of or needs surfacing. Do you know at what boundaries this tends to stop working, e.g., some event happens that changes people's perception of X would probably need new deta if the event is "bigger than ..."?