Fear is always a good motivator.

Hire inexperience. This year we plan to hire 200 engineers - half of whom are recent grads. Young people are not burdened by years of experience. They haven't learned - or been told - what is right or wrong. With engineering, there is no tried and tested path. You try, and fail, and fix, and fail again.

The way the world is going, it's technology driven. And it isn't just driven by the old super powers, it's driven by the far east and new emerging economies.

If you really want to improve technology, if you want things to work better and be better, you've got to protect the person who spends a lot of effort, money, and time developing that new technology.

Successes teach you nothing. Failures teach you everything. Making mistakes is the most important thing you can do.

In the digital age of "overnight" success stories such as Facebook, the hard slog is easily overlooked.

I just want things to work properly.