We are at a crossroads in the music business: with the rise of the internet, the world we live in has changed, and the past is not coming back. But I see the glass as half-full: the internet and social networking are new avenues for the next Bob Dylan to be born on.

Software is a great combination between artistry and engineering.

The truth of Moore's law has made remarkable things possible. On the software side, I think natural user interfaces in all their forms are equally significant.

The microprocessor is a miracle.

The way to be successful in the software world is to come up with breakthrough software, and so whether it's Microsoft Office or Windows, its pushing that forward. New ideas, surprising the marketplace, so good engineering and good business are one in the same.

There's no magic line between an application and an operating system that some bureaucrat in Washington should draw.