Which users? Internal users? External users? External developers (I know, I know) or academics consuming their APIs? Advertisers? Starting from the position of

Which users? Internal users? External users? External developers (I know, I know) or academics consuming their APIs? Advertisers? Starting from the position of what don't I know about this situation, and / or what systems could cause it to be in this seemingly intractable state leaves you open to all sorts of new learnings vs. assuming there aren't intelligent, capable people on the other side.