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

If you could utilize the resources of the end users' computers, you could do things much more efficiently.

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

When a business becomes successful seemingly overnight, no one knows about all the months and years you've invested, all the projects you've tried before that didn't work.

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

The thing about the Internet is the openness. People can link to each other themselves.

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.