The 30‑60‑90 Rule for Feature Validation

Creator of the second-best productivity tool for GTD, Eric Mack is grounded in GTD and knowledge management. David Allen and John Forrister recently talked with Eric about his five principles of productivity software design, in the hope that it might inspire future designers to incorporate some of these principles into their applications.

You can watch this entire conversation from March 2023 on GTD Connect.

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This audio is one of many available at GTD Connect, a learning space and community hub for all things GTD. Join GTD practitioners from around the world in learning, sharing, and developing the skills for stress-free productivity.

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