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Low Touch Signal
Feature Stub
A non-functional placeholder for a planned feature is added to an existing product. When external users interact with it, they are notified the feature is not yet available, interactions are tracked to measure interest, and they may be asked to provide feedback through a brief survey.
When This Method Fits
Typical duration
Days – Weeks
Typical cost
Minimal – Low
Fidelity level
Mockup
Stage
Validation
Hypothesis type
Desirability
Goal type
Deepen product-market fit, Improve operational efficiency
Randomization
N/A
Study design
Individual case report
Minimum units needed
100
1Best Fit When
Best when you have an existing live product and want a cheap way to gauge demand for a potential new feature, with an optional feedback layer.