it is controlled by a standard aviation avionics box like all other boxes on airplanes.

1. information goes in (in this case, everyone's application)
2. magic happens (in this case, number crunching based on some fantastic formulas derived by two guys in a bar)
3. the output is generated ( in this case, the next set of interview invites.)

God lives in the box so don't "f___" with it!