JOY: A POWERFUL TOOL FOR PRODUCTIVITY 기쁨: 생산성 향상을 위한 강력한 도구 By: Sergio M. Fortes For many people, Monday actually starts for them on Sunday night. In my country, Brazil, at about 10 p.m. on Sunday, when music signals the end of many popular TV programs, many viewers automatically shift their thinking to Monday, often costing them valuable sleep. 많은 사람들에..