A bad example and a leap of faith here : “they use maps to collaborate” — no, they don’t. They have established heavily defined protocols and a common language for operating together — doctrine in fact. I like the idea of a “common language” between IT and Finance, but I don’t think maps are it, I think $’s are it — by default. $’s are the common measure of value and IT’s lack of understanding of that is the failure. See Don Reinertsen’s “Principles of Flow” and “Cost of Delay” for a concept that combines $’s and time as the common language of value.