Canonical is pushing Ubuntu in so many different directions. On the desktop, it has introduced Unity; on the server, it's pursuing state-of-the-art ARM and cloud platforms; and it's even trying to get Ubuntu on to mobile phones and televisions.

Trying to keep track of how all this is going, how it all fits together and what's coming next is a full-time job… which is why we spoke to Jane Silber, Canonical CEO, whose job it is to keep track of everything.

Linux Format: Let's start with Ubuntu on the desktop. The big development is Unity, and a lot of its development has been driven by user testing. Could you talk about the motivation behind that and how you've gone about finding the people to do it? It's certainly not something a lot of free software projects have experience doing.

Jane Silber: No, you're right.

rest here