Marissa Mayer, Director of Consumer Web Products… talked for a bit about the core of Google: the team that runs the search engine, which is the 70% of Google that people take for granted. Google has 8 billion pages indexed.
Marissa introduced Peter Norvig, Director of Search Quality. His talk: Crawling, Indexing, and Serving 101.
1. Crawling. Google spiders the Web to put pages in the Google servers.
2. PageRank. Pages importance is calculated based on number and quality of links to the page.
3. Indexing. Every single word on the Web is indexed. "We have several hundred machines with just the word 'the'."
Finally, doc servers, which store all the Web (see step 1), are used to create the text that shows up around your search results to give you context.
Not a ton of new info yet. We're all looking forward to learning things we don't know.