No. We have a lot of customers, and we have a lot of research into our installed base. We also watch industry trends pretty carefully. But in the end, for something this complicated, it's really hard to design products by focus groups. A lot of times, people don't know what they want until you show it to them.

I was going to say work on what you love, but that's not really it. It's so easy to convince yourself that you love what you're doing — who wants to admit that they don't? When I think about it, the happiest and most successful people I know don't just love what they do, they're obsessed with solving an important problem, something that matters to them.

Yes, but not with a formula. So there are many, many efforts now to decentralize and they create a rigid formula and give people rules from on top and say, 'Now it's yours.' And that isn't worked very well either. … And, you think about the variety. If you look at a countryside, think of the variety out there in terms of the ecological variety. Well, if people are going to manage ecological variety, no single set of rules will work in a semi-arid versus a tropical-wet region. They have to be different.

This is what happens when we confuse morality with frugality. We've all been taught that the bake sale with five percent overhead is morally superior to the professional fundraising enterprise with 40 percent overhead, but we're missing the most important piece of information, which is: What is the actual size of these pies? Who cares if the bake sale only has five percent overhead if it's tiny?

I know it is utterly fanciful to expect professional cricketers to play the game like amateurs; but the trick, I believe, is taking the spirit of the amateur - of discovery, of learning, of pure joy, of playing by the rules - into our profession. Taking it to practice or play, even when there's an epidemic of white-line fever breaking out all over the field.

One of the biggest challenges that the game must respond to today, I believe, is charting out a clear road map for the three formats. We now realise that the sport's three formats cannot be played in equal numbers - that will only throw scheduling and the true development of players completely off gear.

One of the things, Bradman said has stayed in my mind. That the finest of athletes had, along with skill, a few more essential qualities: to conduct their life with dignity, with integrity, with courage and modesty. All this he believed, were totally compatible with pride, ambition, determination and competitiveness. Maybe those words should be put up in cricket dressing rooms all over the world.