Personal Kanban has only two rules: Visualize your work and Limit your work-in-progress. Beyond that, you manage yourself according to your current context.
     5.  Limiting WIP promotes completion and clarity.
Research consistently shows we cannot reach our maximum effectiveness while multitasking. Instead, maximum effectiveness results when we limit our WIP and focus on the task before us.
     Tell me and I forget. Show me and I remember. Let me do and I understand. ~Confucius