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.

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

International markets are much bigger than the U.S. In Sweden we have 9 million inhabitants, and if you're successful in Sweden, you're not successful - it's such a small market.

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.

I try not to dwell on big mistakes but to move on when I make a mistake. I make mistakes most of the times and that's part of the risk profile being an entrepreneur. I guess one big mistake I did was not to start my own company earlier. I spent nine years working for others before starting Kazaa in 2000.

If you want to be an entrepreneur, it's not a job, it's a lifestyle.

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