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.

We are able to use technology to make it clear that someone's car is available or a room in a home is accessible; that there is an available desk in an office someplace.

With innovative companies and products like Tencent's WeChat messaging service and novel approaches to artificial intelligence and various business models, China rapidly is becoming an innovator in its own right.

Media is not supporting me. They're saying that I want to marry Imran Khan, but I'm already married. This is wrong. What about my self-worth? My identity? I am a social media sensation. I am a fashion icon.

It would be easy to assume that the open letter is a symptom of the Internet age. Such is not the case. In 1774, Benjamin Franklin wrote an open letter to the prime minister of Great Britain, Lord North - a satirical call for the imposition of martial law in the colonies.