The discovered data generally comes directly from the owner/originator of the information, and there is almost no overhead associated with this mechanism.
These individuals would try to compress all response-related work into pre-determined short periods of time every day, usually 1-2 hours of un-interrupted in-box clearing.
While this is sometimes hard to tell (and is often driven by the product (s) you use), a good starting point for the discussion is to think of infrastructure logic versus business logic.
At the time, ancient boats were often considered only from a narrower technological perspective, but news about the Dover boat reached a broad audience.