I'm an optimist.

I love the physicality of books.

How do you photograph data?

The goal of 'Data Detectives' is to spark the imagination of students around the globe by making them think about new technologies that will impact humanity in ways similar to language and art.

The hard thing about the book world is that you never know whether 10 people or a million people will find it interesting.

You can't talk about big data without talking about things like privacy and ownership.

How do you photograph a gadget in a new, and not boring, way? You have to get away from people sitting in front of a computer. You have to get a look at the digital signature.

If you travel 11 months a year - from one dangerous or isolated situation to the next - if you live in hotels, and every relationship with another human being is a two-week relationship, the only other people who have any idea what you're going through or how strung out you are are other photographers.

If you ask anyone on any street corner in the world what the Soviet Union looks like, they would probably have very strong opinions. And they probably would be wrong.

If you ever plan to run for office, if you're a teenager, remember everything you do, every tweet, every Facebook posting, every picture you put on Instagram will be there forever for journalists and politicians - for your competition to dig up.