When we started Skype, if you look at analyst reports, no one forecasted it as a big business. Also when Google started, it was not fashionable to be in search. It's not trying to do the obvious - that's the hard part.

When radio stations started playing music the record companies started suing radio stations. They thought now that people could listen to music for free, who would want to buy a record in a record shop? But I think we all agree that radio stations are good stuff.

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

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

We have 2 million users in the U.S. and about 13 million worldwide in more than 200 countries. We're getting 80,000 new users each day. And more than half a million people are connected via Skype at any given moment.

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

And the VCR did the same thing: the movie industry thought nobody would ever watch movies any more.