Read Cyworld case:
CyWorld case discussion questions and submission requirements:
1. Why do people use social networks?
2. How can you segment CyWorld’s users? Which segments should CyWorld target? How can it create value for users in these segments?
3. Which is most valuable to CyWorld-an active user, a user who spends a lot of money with CyWorld, or a user with a lot of connections?
4. What should be CyWorld’s business model- paid items, mobile networking, or advertising? Should CyWorld explore any other areas of opportunity?