One other specific piece of guidance we've offered is that low-quality content on some parts of a website can impact the whole site’s rankings, and thus removing low quality pages, merging or improving the content of individual shallow pages into more useful pages, or moving low quality pages to a different domain could eventually help the rankings of your higher-quality content.

The destiny of [Google's search engine] is to become that Star Trek computer, and that's what we are building.

One other specific piece of guidance we've offered is that low-quality content on some parts of a website can impact the whole site’s rankings, and thus removing low quality pages, merging or improving the content of individual shallow pages into more useful pages, or moving low quality pages to a different domain could eventually help the rankings of your higher-quality content.

We at Google have made tremendous advances in understanding language. Our knowledge graph has been fundamental to that. The new algorithm that we launched today called Hummingbird has been a great leap forward.