Time management 101

Time management, from Wikipedia,

includes tools or techniques for planning and scheduling time, usually with the aim to increase the effectiveness and/or efficiency of personal and corporate time use.
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Time management for personal use is a type of self-management. In a corporate setting, time management software can satisfy the need to control employees, make it easier to coordinate work and increases accountability of individual employees.

Planning time and writing to-do-lists also consumes time and needs to be scheduled. This is one of the major criticisms of time management.