An algorithm must be seen to be believed.

Television was the most revolutionary event of the century. Its importance was in a class with the discovery of gunpowder and the invention of the printing press, which changed the human condition for centuries afterward.

As you start building the product, don't assume that you know all the answers. Listen to the community and adapt. We had a lot of our own ideas about how the service would evolve. Coming from PayPal and eBay, we saw YouTube as a powerful way to add video to auctions, but we didn't see anyone using our product that way, so we didn't add features to support it.

If we can put a man on the moon and sequence the human genome, we should be able to devise something close to a universal digital public library.

I've never really been very interested in computers themselves. I don't watch them; I watch how people behave around them. That's becoming more difficult to do because everything is around them.

With the development of the Internet...we are in the middle of the most transforming technological event since the capture of fire. I used to think that it was just the biggest thing since Gutenberg, but now I think you have to go back farther.