I'm in a business where there's complete anarchy. You can't control it - you can only react to it. The control that people traditionally had over their message is gone. Look at Wikileaks: you have to approach everything you write on the basis it's going to be on the front page of the newspaper.

Formula One does very well. It is a very interesting asset. Could it be run in a different way? Sure it could be. Could it be improved? I'm sure it could. But all I can say is, it seems to do pretty well.

[Formula One racing looking after Jackie Stewart in 1968] was not so intense and, yes, it was much more dangerous - what was definitely different back then was the level of safety.

The last person in the UK who described his product as being crap in public was one Gerald Ratner - and he was gone immediately.

If you ask what keeps me up at night, it's the pressure in the system forcing us to do all sorts of things. Content, data and technology are forcing us to think about business in a very different way.

And there are some - Bernie [Ecclestone] and others - who are embracing new technologies. When Sky UK started to broadcast there was an argument that audience would come down because it is pay TV. But the actual quality of the production and the use of technology and the engagement of the viewer is much better than it ever was. The product is simply better.

I interviewed Kim Kardashian recently and had a conversation with her mother. A lot of people have various thoughts about Kim Kardashian, her mother and her sisters, but it is an incredibly well thought through concept and branding. Each of the daughters appeals to a different segment of the market.