Managers work in organizations and direct the activities of other people. They are usually classified as top, middle, or first-line managers. Management is defined as the process of getting work done effectively and efficiently through other people. Managers perform functions like planning, organizing, leading, and controlling. What managers do can also be described using roles and skills approaches. Studying management is important because it provides insight into how organizations function and how one will be managed in their career. Factors reshaping management include changing workplaces, ethics, technology, customer service, and innovation.