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Weak signal

A weak signal is a subtle, uncertain indicator that may reveal an emerging change, trend, or pattern.

How 2 Manning books explain it

Collaborative Software Design: How to facilitate domain modeling decisions

A weak signal is a subtle or difficult-to-detect piece of information, activity, behavior, or event that may indicate an emerging change or pattern.

How it is used
Uses subtle observations to reveal group dynamics and emerging concerns during collaborative sensemaking and facilitation.
How deep it goes
Defines weak signals, contrasts them with strong signals, and explains pattern recognition through observation and conversation.
Examples
Uses a team-departure joke, explicit product disagreement, physical positioning, and remote-session cues as examples.
What you can do after
Diagnose group dynamics by noticing subtle cues, testing interpretations, and connecting observations into possible patterns.

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Architecture Modernization: Socio-technical alignment of software, strategy, and structure

A weak signal is an uncertain or subjective indicator of an emerging change, trend, or evolutionary state.

How it is used
Assesses component evolution when mapping a landscape, combining observable indicators with expertise and practiced judgment.
How deep it goes
Defines three characteristics and their criteria, but stops short of a precise flowchart or objective classification.
Examples
Uses online food delivery menus and restaurant optimization to contrast commodity capabilities with emerging capabilities.
What you can do after
Evaluate a component’s evolutionary stage using ubiquity, certainty, publication types, and informed industry judgment.

Read how Architecture Modernization: Socio-technical alignment of software, strategy, and structure explains weak signal →

Related concepts

These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.