Scale-Smart Productivity

Scale-Smart Productivity

Engagement Cutoffs: Mark Forster & David Allen Forged the Same Armor

How the "two-minute rule" & "closed list" replace in-the-moment decision-making

Mar 24, 2026
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This essay is part of my Scale-Smart Moves series on tactics & operations that compound across your system. See the full index here.

Me, 8 years ago, in a 3D trick-art museum in Saigon. Here, fighting a fire-breathing dragon.

I

Mark Forster, a British time-management writer who was less famous than he should have been, built much of his productivity thinki…

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