The document discusses several contrasts between traditional corporate structures and more modern, flexible approaches. It addresses topics such as hierarchical vs flattened organizations, fixed vs flexible work hours, hoarded vs shared information, command-and-control vs empowering leadership, on-premise vs cloud technology, email vs newer communication tools, and corporate ladders vs creating one's own purpose. For each topic, the document provides the author's perspective based on experiences leading organizations, generally recommending more modern, flexible approaches when implemented carefully with proper communication and assessment of employees.