The document discusses how the definition of work has changed from the past to today. In the past, work was top-down, hierarchical, and rigid, while today work is global, digital, connected, and flexible. The role of employers and employees has also changed, with employers in the past wanting conformity while employees now want purpose and challenge. Additionally, the role of work spaces has changed to focus on collaboration, experimentation, and enabling employees to get things done. The document promotes training to build new working cultures and the creation of co-working spaces.