Title: Wae ch'ŏngbaji rŭl ibŭn chaebŏl in'ga?
Subjects: History, Computer software industry, Biography, Computer engineers, Businesspeople, Computer industry, Social responsibility of business, Microsoft Corporation, Inc Apple Computer, Facebook (Firm), Facebook (Electronic resource)
Places: United States
People: Bill Gates (1955-), Steve Jobs (1955-2011), Mark Zuckerberg (1984-)