Video is moving online in a big way. It's proven to be a challenging market for some companies that start out as a pure Internet company such as Joost.

Then people started using it more and more and it became the most downloaded software on the internet.

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

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.

The next Google or Facebook will come from somewhere other than Silicon Valley.

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.

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.