As an entrepreneur, if you're the originator, you need to be faster than ever.

They also can combine voice with instant messaging and online file sharing.

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.

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

As an investor, what we're not looking for is 'oh this is a cool app,' it's 'is this something that can become a big business?' You need to find those that can become real businesses.

If you want to be an entrepreneur, it's not a job, it's a lifestyle. It defines you. Forget about vacations, about going home at 6 pm - last thing at night you'll send emails, first thing in the morning you'll read emails, and you'll wake up in the middle of the night. But it's hugely rewarding as you're fulfilling something for yourself.

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