Talent can pop up anywhere in the world, it's not just one city block.

We also have a conference call feature where up to five people can talk on one Skype call.

It's extremely hard to build a company with a product that everyone loves, is free and has no business model, and then to innovate a business model. I did that with Kazaa, had half a billion downloads but that wasn't a sustainable business.

Surround yourself with smart, dedicated people - to build something isn't a one-man show. It's more important to have smart people who really believe in what you're doing than really experienced people who may not share your dream.

Look for when the environment is changing - the big shift now is mobile Internet. It's really happening big-time. The way you interact with services on a smart phone compared to the Web is quite different, so there's a huge opportunity.

Talent can pop up anywhere in the world, it's not just one city block.

The telephone is a 100-year-old technology. It's time for a change. Charging for phone calls is something you did last century.