Mikko Hypponen

It's not publicly known, but antivirus companies co-operate all the time. On the surface, antivirus vendors are direct competitors. And in fact, the competition is fierce on the sales and marketing side. But on the technical side, we're actually very friendly to each other. It seems that everyone knows everyone else.

You can get the best locksmith in the world to design the best lock he can design, is it pick proof? No, it's not: it can be very hard to pick, but it is pickable. Because you can get, say, the next 10 best locksmiths, and give them unlimited money and time, they will figure out a way to pick it.

Watching yourself on screen is always a little weird, but I didn't cringe when I saw myself on 'The Hour.' It actually exceeded my expectations; every shot looks like a vintage postcard and even my most brutally honest friends have said they think it's good.

Early in the 1990s, I flew alone in a dandelion-yellow, single-engine, 180-horsepower Piper Cherokee from Westchester County Airport in New York westward to the Rocky Mountains, landing and refuelling a good many times in middle-sized cities and towns along the way.