This is fascinating. Unsurprised by a lot of the findings, as I see them on a pretty regular basis.
I really interesting technology offering would be an application of this used to map the "real" power structure vs. the org. chart. Imagine the power of that as a starting point in an organizational design?
Conversely, I know people who say, "Great thanks!" in threads in which they otherwise play no part. And I hate those people.