All good leaders listen to their people and empower them to go away and turn any innovative ideas they have into a reality.

I've had to create companies that I believe in 100%. These are companies I feel will make a genuine difference. Then I have to be willing to find the time myself to talk about them, promote them and market them. I don't want to spend my life doing something that I'm not proud of.

Dream big by setting yourself seemingly impossible challenges. You then have to catch up with them.

And if after all this you eventually fail; don't take it personal. Don't be ashamed to start all over again.

Actually, we did a fun April Fools' thing with Google a couple of years ago, which we called Virgle. And we looked for volunteers to go on a one-way trip to Mars.

Building a business is not rocket science, it's about having a great idea and seeing it through with integrity.

A business can be started with very little money.