Growth Marketing Glossary

Diffusion of Innovations

dif·fu·sion of in·no·va·tions/dɪfˈjuʒən əv ˌɪnəˈveɪʃənz/noun

Innovators, early adopters, majorities, laggards — the 1962 curve every go-to-market still rides.

innovators 2.5%early adopters 13.5%majorities 68%laggards 16%
The adoption bell curve
Term
Diffusion of Innovations
Author
Everett Rogers (1962)
Curve
2.5 / 13.5 / 34 / 34 / 16
Descendant
Moore's chasm sits in this curve

Forms & parts of speech

early adopter · category (its most-used export)
The visionary 13.5%.
"Stop pitching the majority — this product is still earning its early adopters."

Definition in plain terms

Diffusion of innovations is Everett Rogers' theory of how new ideas and products spread: adoption flows through a population in a bell curve of psychographic segments — innovators (2.5%, novelty-seekers), early adopters (13.5%, the respected visionaries others watch), early majority (34%, pragmatists needing proof), late majority (34%, skeptics needing pressure), and laggards (16%). Each segment adopts for different reasons, on different evidence, from different messengers.

The mechanics

Rogers also named WHY innovations spread at different speeds — five attributes: relative advantage (how much better), compatibility (fit with existing habits and values), complexity (how hard to understand), trialability (can it be tested cheaply), and observability (can others SEE it working). The marketing translation: each launch phase needs its segment's evidence (novelty for innovators, vision for early adopters, references and safety for majorities), and product design can buy diffusion speed directly — free trials are engineered trialability, public usage is engineered observability. Moore's chasm later located the curve's treacherous gap between early adopters and early majority.

When it matters

Reach for it at launch sequencing (whom to court first and what to show them), at stall diagnosis (growth plateaus often mean a segment boundary — the message that won visionaries is scaring pragmatists), and at creative strategy (observability explains why visible products spread faster — and how to make invisible ones visible). It's the deep grammar under beachhead strategy, influencer logic, and every 'cross the chasm' deck.

Worked example. A smart-thermostat brand stalls at 4% household penetration despite rave reviews. The diffusion read: reviews come from innovators and early adopters; the early majority's blockers are compatibility ('will it work with my old furnace?') and complexity fears the visionary messaging ignores. The relaunch speaks pragmatist: installer partnerships (compatibility made human), a 90-day return window (trialability), neighborhood case studies with energy-bill numbers (observability plus references). Penetration doubles in 18 months — the product never changed; the evidence finally matched the segment.
Failure modes to watch. Marketing to the majority with innovator messaging; reading early-adopter applause as mass-market readiness; ignoring the five attributes when product design could buy diffusion speed; and treating the curve's segments as demographics instead of psychology.

Synonyms & antonyms

Synonyms

diffusion of innovationsadoption curveRogers curve

Antonyms

instant mass adoption (the fantasy)

Origin & history

Coined by rural sociologist Everett Rogers in Diffusion of Innovations (1962) — synthesizing 508 diffusion studies, beginning with Iowa farmers' adoption of hybrid corn; the adopter categories and percentages came from that data, and five editions later the book remains social science's second-most-cited work.

Etymology: source.

Usage trends

Search interest for this term over the last five years:

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Common questions

What is diffusion of innovations?
Everett Rogers' theory of how new things spread — through innovators, early adopters, early majority, late majority, and laggards.
What makes innovations spread faster?
Rogers' five attributes — relative advantage, compatibility, simplicity, trialability, and observability.
How does it relate to crossing the chasm?
Moore located a gap between early adopters and the early majority inside Rogers' curve — the chasm where tech products stall.

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Resources & people to follow

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Related training

Disciplines

Areas of marketing where diffusion of innovations is a core concern:

Sources

  1. trendsGoogle Trends — "diffusion of innovations"