I just finished listening to What Would Google Do? It was okay. I think the book was really about what Jeff Jarvis would do. For instance, he argued very strongly for some things that he admitted Google doesn't do. In general, I think he gets a lot of stuff right, but he also overstates some things, and he even gets some things wrong. If you really want to understand Google's ethos, I think In the Plex: How Google Thinks, Works, and Shapes Our Lives is more on target.
Ad maiorem Dei gloriam inque hominum salutem.