Angry Birds is one of the fastest-growing online products I've seen, growing even faster than Skype, and the company has done a brilliant job of extending it across different platforms and merchandise.

If you want to be an entrepreneur, it's not a job, it's a lifestyle. It defines you. Forget about vacations, about going home at 6 pm - last thing at night you'll send emails, first thing in the morning you'll read emails, and you'll wake up in the middle of the night. But it's hugely rewarding as you're fulfilling something for yourself.

Another differentiator is that Skype is free and simple to set up, and it costs us virtually nothing for a new user to join the Skype network, which is why we can offer the service for free.

I hope that my investment into Atomico will become my best financial investment to date.

You may have seen me in movies like 'Fast & Furious' and 'Avatar.' But I wouldn't have been able to do any of that without hard work and determination. You can accomplish anything if you just stay out of trouble and do the right things.

I'm so glad to have Xbox as a franchise, especially at a time when gaming is becoming even more important - as a digital life category and in the mobile world.

Sometimes I don't know whether a movie has been shot on film or in digital when I watch it in the theatres.

There are a lot of pros and cons about social media; it's just how you choose to handle it and how you have to be prepared for the negatives as well.