| 摘要 |
A task management system is disclosed for providing shared task management among a variety of users and allows users to create and share task-lists and tasks. Users can invite others to join task-lists and can assign responsibility for tasks to other users. In various embodiments, the system implicitly sets permissions for every task-list and task, and these permissions are automatically changed or updated by the system in response to users interacting with the system. In another embodiment, users can explicitly set these permissions. Thus, the task management system is configured so that there is no single administrator of the system; rather each user may be an administrator of certain tasks and task-lists and thus set the related task and task-list permissions. Thus, the system is configured to operate in the absence of explicitly set permissions, but is also flexible to allow for users to change and modify permissions explicitly.
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