In a previous post I mentioned that Amit Singhal had promised to have a follow-up post focusing on the technology underlying Google's search algorithms. Earlier this week Amit delivered on his promise with a fine post entitled Technologies behind Google ranking. He says that the driving force underlying ranking is to give users what they want:
Search in the last decade has moved from give me what I said to give me what I want. User expectations from search have rightly increased. We work hard to fulfill the expectations of each and every user, and to do that we need to better understand the pages, the queries, and our users.
Check out the post for more detail.