Cyworld

Parents

40 percent of the country's total population
Cyworld demonstrates that next-generation Internet companies can also have powerful E-commerce components
Hyun-Oh Yoo, CEO
Its primary source of income is its $300,000 in daily sales of digital items used to decorate user Web pages
Over 90% of of 20 to 29-year-olds use the site "regularly,"
Site has sold 160 million songs–making it the second-biggest music store in the world behind iTunes
The site now has 20 million users in Korea
What makes Cyworld particularly interesting, though, is its revenue strategy