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Anastasia Alt, 35, uses Kanban boards — a visual tracking system where tasks progress from left to right — in Trello, a project management tool, for “literally everything.”

Toyota revolutionised modern manufacturing with its system of lean production, just-in-time delivery and "kanban" workflow organisation.

Toyota essentially invented modern auto assembly with its "kanban" system for notifying suppliers of what parts are needed where and when to minimize inventory.

"Kanban" means signboard in Japanese, and the Toyota engineer and later executive, Taichi Ono, who developed the system drew inspiration from watching an American supermarket chain, Piggly Wiggly, manage its shelve stock on a trip to the United States in the 1950s.

Toyota's kanban system, which relies on simple visual cues to organise workflow, has been adopted for other industries, including software development.