Today, if you want to access a typical out-of-print book, you have only one choice - fly to one of a handful of leading libraries in the country and hope to find it in the stacks.

My vision when we started Google 15 years ago was that eventually you wouldn't have to have a search query at all. You'd just have information come to you as you needed it. And Google Glass is now, 15 years later, sort of the first form factor that I think can deliver that vision.

I'd like to get to a state where people think that if you've Googled something, you've researched it, and otherwise haven't, and that's it.

We are currently not planning on conquering the world.

We came up with the notion that not all web pages are created equal. People are – but not web pages.

Ultimately you want to have the entire world's knowledge connected directly to your mind.

If what we are doing is not seen by some people as science fiction, it's probably not transformative enough