Niklas Zennstrom — Swedish Scientist born on December 30, 1966,

Niklas Zennström is a Swedish entrepreneur best known for founding several high-profile online ventures with Janus Friis including Skype and Kazaa. More recently he founded the technology investment firm Atomico and has become a significant figurehead for entrepreneurs in the tech sector. Zennström is also the co-founder of the charity organization Zennström Philanthropies... (wikipedia)

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.
Angry Birds is one of the fastest-growing online products I've seen, growing even faster than Skype, and the company has done a brilliant job of extending it across different platforms and merchandise.
You shouldn't be afraid of failure - when something fails, you think, 'What did I learn from that experience? I can do better next time.' Then kill that project and move on to the next. Don't get disappointed.
Some Internet operators are concerned that video services such as Netflix and YouTube consume lots of the bandwidth on the network. While there is some truth to this, my guess is that the operators wished they could provide the same kind of services with the same success as Netflix and YouTube.
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. If you can use a Web browser, you can use Skype.