CONCEPT
Context Lists
Allen's organizational innovation of sorting next actions by the conditions required to perform them — @Computer, @Calls, @Office, @Home — an innovation whose categorical foundations AI has progressively dissolved.
Context lists were Allen's solution to the problem of which task to choose from an overwhelming inventory. By grouping actions according to the tools, locations, and conditions they required, the lists transformed a daunting universe of commitments into a manageable subset relevant to the practitioner's current situation. At your computer, consult @Computer. On your phone, consult @Calls. The filter reduced decision fatigue and created implicit boundaries between life domains — the @Office list for professional tasks, the @Home list for personal ones, the contexts themselves marking identity transitions. AI has eroded the categorical foundations on which these lists depend: when a smartphone with Claude Code can perform nearly any knowledge task, the @Computer context encompasses everything, and the boundaries that once separated identities have dissolved with them.
In The You On AI Field Guide
The elegance of context-based organization lay not merely in efficient retrieval but in the cognitive architecture it supported. Allen observed that the mind benefited from not seeing irrelevant actions — the