The document discusses workforce flexibility and its importance for maintaining a competitive advantage. It defines workforce flexibility as the ability of an organization to adapt to external changes by modifying its human resource practices. Some ways companies achieve flexibility include offering part-time jobs, job sharing, and remote work. The Atkinson model from 1894 also outlines ways companies can structure flexible jobs to meet employee and business needs. While flexibility provides benefits, it also introduces challenges around communication and coordination that companies must address.