Originally written in French. Translated by AI — the meaning has been preserved, not the prose.
Short definition
A scattered, quiet indication of a change not yet expressed as a demand: a recurring friction, a workaround, an isolated request coherent with others, an advanced usage among a particular profile, an expectation observed in another tool.
Full definition
The notion comes from strategic intelligence, where the weak signal designates a fragmentary piece of information whose value lies in its earliness and not in its strength — as opposed to the strong signal, already visible to everyone and therefore already without advantage.
In the articles on this blog, the term is used in a tightened, operational sense: it designates what is observable in a product's real use and in the margins of the market, before a need is formulated by customers or addressed by competitors. Its weakness isn't a question of volume but of status: nobody has yet designated it as a subject, and it demands nothing.
It is the raw material of an anticipatory approach, which turns it into a written hypothesis and then into a test.
Usage in the field
The term comes into play in organizing market intelligence, in reading support tickets and the workarounds observed at customers', and in arbitrating an exploration budget before a committee that expects a proven demand.
Synonyms and variants
Early signal, harbinger, "it keeps coming up but nobody asks for it".
Not to be confused with
- Competitive intelligence — Competitive intelligence — the activity of interpretation that gathers these signals among other materials; the weak signal is one of its objects, not a synonym.
- Customer request — the explicit expression of a need or a solution by an identified customer; it is addressed to the team, where the weak signal has to be spotted by it.
- Trend — a change already observed and named by the market; that is what a weak signal becomes when it stops being one.
Examples
"Recurring frictions, workarounds, isolated but coherent requests, advanced usage among certain profiles, expectations observed in other tools." — the enumeration as used here.
"Not everything will be explicitly asked for by customers either." — the usage by absence, which says why this level of observation exists.
Ambiguities / debates
The notion lends itself to retrospective justification: a happy decision is explained after the fact by a weak signal nobody actually noted at the time. The sense retained here presupposes a trace prior to the decision — a signal noted, a hypothesis written — failing which the word designates nothing but an intuition validated by the result.