COMPARISON DEVICE, COMPARISON METHOD, NON-TRANSITORY RECORDING MEDIUM, AND SYSTEM

摘要

A task presenter presents a task to a first user. An acquirer acquires a first action taken by the first user while the task is presented to the first user. A reader reads a second action taken by a second user to the task from a storage. An action presenter presents the first action and the second action to the first user in a comparative manner. A writer writes to the storage the first action as the action taken by the first user to the task.