Dealing with negative comments is part of this job, and I've had to develop a thick skin, though some days it's easier than others.

If I do something, I want to be the best. And one of the best things you can be is a Victoria's Secret Angel; for me, that's always been a goal.

Australia's a place I've always wanted to visit because of the beautiful beaches. I am surprised by how cosmopolitan the cities are; it wasn't what I expected.

In New York, I am barely recognised, or people don't really care. When I go to Portugal, I go outside to a public place and am recognised constantly.

As I look forward in things like the Internet of Things, I am sure we will talk about video. There is a lot of disruption going on and a lot of new products being brought to market, products like Go90.

Simple genome engineering of bacteria and yeast is just the beginning of the rise of the true biohackers. This is a community of several thousand people, with skill sets ranging from self-taught software hackers to biology postdocs who are impatient with the structure of traditional institutional lab work.

Sure the Internet is the future, but what we do on the Internet is still very primal.

As things go digital, the notion of new editions will go away. A publisher can add video and assessment content at scale, make the change in 30 seconds and it's just a software update.