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.

To me, it looks more or less like the hardware designers have run out of ideas and that they're trying to pass the blame for the future demise of Moore's Law to the software writers by giving us machines that work faster only on a few key benchmarks!

Most people are really stunned to find out that the technology has been around for more than 100 years, and that the diesel engine was in fact invented to run on vegetable oil.

It's good to try and stay humble and down to earth, despite media and social media.

For much of this decade, both Congressional and administration budget projections showed a decline in science and technology accounts of between 20 and 30 percent in real dollars. The real impact to date has been far less severe.