The Agile Manifesto is the root to all agile approaches as from it emerges everything we claim to practice. The Kanban method also relies heavily on the Agile Manifesto and takes the alternative path to agility at 1/150 the cost of SCRUM.
Reaching hyper productivity
Hyper productivity can only be achieved with the Kanban method. How else could you start a journey that would yield 400% improvement within the first 12 months. The Kanban method is so simple that it leads to congruence of behavior by all agents of the system to allow you to reach flow at the operational, informational, financial and psychological at the same time!
The Kanban method works in small teams of 8 people and also in companies with more than 100,000 employees. Are you in banking, HR, IT or marketing: no difference. Kanban works on all types of intellectual work.
With modern Portfolio management, one must shift from the attractiveness glasses (cost and revenue perspective) to one based on risks, options and value (capabilities glasses)