Skype is easy enough to use so that people don't need to be tech savvy - a lot of users just want to communicate with their friends and family, and they find this is the easiest, cheapest way.

Silicon Valley is the best place to start a tech company in so many ways.

When we look at investing, we always think about 'how defensible is this, how likely is it that somebody is going to copy this.' E-commerce tends to be something easy to copy because it's execution.

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

If you can use a Web browser, you can use Skype.

You have 1 billion people using the Internet with 200 million of those now using broadband internet connections, so the Internet has become a powerful network. It can carry calls.

Skype is for any individual who has a broadband Internet connection.