Google has always been alert to the danger of advertising and even accepting advertising at all because it might corrupt or lead the people running the search engine to want to corrupt the results in favor of advertisers.
A hawk is somebody who wants to keep all the data and a dove is somebody who says no, we need to anonymize it.
When I joined Google I really believed that they would be out of business within a year just because a lot of startups failed, most startups fail. And so for me it was about getting that experience.
What Larry Page and Sergey Brin have in common is a real intellectual curiosity. They want to understand how the world works.