Web applications will become more and more ubiquitous throughout our human environment, with walls, automobile dashboards, refrigerator doors all serving as displays giving us a window onto the Web.

The more you enter, the more you become locked in. Your social-networking site becomes a central platform - a closed silo of content, and one that does not give you full control over your information in it. The more this kind of architecture gains widespread use, the more the Web becomes fragmented, and the less we enjoy a single, universal information space.

The world's urban poor and the illiterate are going to be increasingly disadvantaged and are in danger of being left behind. The web has added a new dimension to the gap between the first world and the developing world. We have to start talking about a human right to connect.

The Web as I envisaged it, we have not seen it yet. The future is still so much bigger than the past.

The nice thing about programming at the RDF level is that you can just say, I'll ask for all the books. You can ask for all the shelves. You can ask for a given shelf whether a book was on it. And you're not worrying so much about the underlying syntax.

The Semantic Web isn't inherently complex. The Semantic Web language, at its heart, is very, very simple. It's just about the relationships between things.

Any good software engineer will tell you that a compiler and an interpreter are interchangeable.