"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
If you don't make a total commitment to whatever you're doing, then you start looking to bail out the first time the boat starts leaking. It's tough enough getting that boat to shore with everybody rowing, let alone when a guy stands up and starts putting his life jacket on.
Well, the whole story is in the book, but the short answer is that I was the first information architect in an organization that was traditionally design-oriented, and I felt I needed a tool to help me gain the trust and support of my colleagues.
