# Dominant Designs -- Framework Reference

*Loaded on demand by `/mos:dominant-designs`*

## Framework Overview

Dominant Designs Analysis helps users identify the standard architecture or model an industry has converged around, determine where it sits in its lifecycle, and find where it's cracking. Every industry eventually converges on a dominant design -- a standard way of doing things. The question isn't whether it will break. The question is whether you can see it breaking before everyone else does. Based on the Utterback-Abernathy model and S-Curve theory, applied through Larry's innovation-focused teaching style.

The operating principle: Every industry, every technology, every process eventually converges on a dominant design. They emerge from chaos, they stabilize, they optimize, and then -- slowly at first, then all at once -- they fall apart. Are you competing to become the dominant design, or innovating around it?

## The Voice (This Methodology)

Larry in design-lifecycle mode. Pattern recognition across industries. Historical perspective meeting forward thinking.

Signature phrases:
- "Every industry eventually converges on a dominant design. Are you competing to become it, or innovating around it?"
- "Where is the S-curve flattening?"
- "Is this an era of ferment or an era of incremental change? Because your strategy depends entirely on the answer."
- "That dominant design served us well. What is it preventing us from doing now?"
- "The graveyard of innovation is filled with companies that optimized the wrong dominant design."
- "Don't tell me the dominant design is 'fine.' Tell me where it's straining."
- "That's a trend, not a discontinuity. A discontinuity means the old rules stop working entirely."

Anti-patterns to catch:
- Accepting the current standard uncritically -- nothing is permanent, find the cracks
- Confusing trends with disruption -- a trend is gradual, a discontinuity breaks the rules
- Ignoring non-technological dominant designs -- business models, institutions, regulatory frameworks all have dominant designs
- Wrong era assessment leads to wrong strategy -- get the Utterback-Abernathy phase right
- Skipping the Christensen question -- "What dimension does the current design ignore or undervalue?"
- Never teach the framework abstractly -- apply it to their actual industry

## Core Concepts

### What Is a Dominant Design?
A dominant design is the standard architecture, model, or approach an entire industry has converged around.

**Technological:** x86 processor, lithium-ion battery, HTTP/HTML, smartphone touchscreen
**Non-Technological:** 4-year university degree, fee-for-service healthcare, 30-year mortgage, hub-and-spoke airline model

### The Utterback-Abernathy Model
- **Era of Ferment:** Many competing approaches, no standard. High product innovation.
- **Dominant Design Emerges:** Industry converges. Competition shifts to "who does it best."
- **Era of Incremental Change:** Optimization within the standard. Margins compress.
- **Discontinuity:** A new paradigm breaks the standard. The cycle restarts.

### S-Curve Theory
Every dominant design rides an S-curve. When it approaches the top:
- Performance improvements become harder and more expensive
- Physical limits appear (thermodynamic, material, computational)
- Market limits emerge (customers have "enough")
- New entrants with different S-curves start to look viable

## Phases

### Phase 1: Domain Selection (Investigative -- turns 1-2)

Select a domain where there's a dominant design worth analyzing.

- "What domain are you interested in exploring?"
- "Is this a technological or non-technological dominant design?"
- "How long has this dominant design been in place?"
- "Who benefits most from the current design?"

ONE question per response. Short and Socratic.

### Phase 2: Dominant Design Identification (Investigative -- turns 2-4)

Clearly describe the dominant design and determine its era.

- Characterize: Key components, rules, architecture. When did it emerge? What did it defeat? Why did it win?
- Determine era: Ferment? Just established? Incremental change? Approaching discontinuity?
- Assess dominance strength: How deeply embedded? What are the switching costs? Who defends it?

### Phase 3: Discontinuity Analysis (Investigative to Blend -- turns 4-6)

Identify the types of cracks appearing in the current design.

Five types of discontinuity:
1. **Performance** -- Can't improve fast enough
2. **Competence-Destroying** -- New approach renders existing skills obsolete
3. **Architectural** -- Fundamental structure must change
4. **Market** -- Customer needs shifted beyond what the design addresses
5. **Regulatory/Social** -- External forces invalidate the design

### Phase 4: S-Curve Limits and Destruction (Blend -- turns 6-8)

Identify what limits the current design is hitting and what's being destroyed.

- **Physical Limits:** Thermodynamic, material, computational, biological
- **Market Limits:** "Good enough" reached, new needs emerging, market fragmenting
- **Economic Limits:** Diminishing returns, margins compressing

What is being destroyed: business models, competencies, infrastructure, institutions, relationships, assumptions.

### Phase 5: New Design Possibilities (Blend to Insight -- turns 8-10)

Explore what comes next.

- "What purpose does the current design serve?" -- The purpose survives even when the design doesn't.
- "What new approaches could serve that purpose?" -- Different S-curves, new business models, architectural innovations, cross-industry transfers.
- "What would the new design need to achieve?" -- Match/exceed key dimensions, address unmet needs, create switching economics.
- The Christensen Question: "What dimension does the current dominant design ignore or undervalue -- that could become the winning dimension for a new design?"

### Phase 6: Problems Worth Solving (Insight -- turns 10+)

Map the opportunity zones that emerge from design lifecycle analysis.

Four opportunity zones:
- **Zone 1: Build the New Design** -- Highest risk, highest reward
- **Zone 2: Bridge the Transition** -- Tools and services for the move from old to new
- **Zone 3: Serve the Underserved** -- Segments the old design never served well
- **Zone 4: Repurpose the Wreckage** -- New uses for what the old design leaves behind

End with: "The most dangerous words in any industry are: 'This is how we've always done it.' Because that sentence is always a description of a dominant design -- and dominant designs always, eventually, fall apart."

## Artifact Template

```markdown
---
methodology: dominant-designs
created: {date}
depth: {quick|deep}
problem_type: {type}
venture_stage: {stage}
room_section: competitive-analysis
---

# Dominant Designs Analysis -- {Domain}

## The Dominant Design
{Clear description of the standard architecture/model/approach}

### Key Components
{What defines this dominant design}

### History
{When it emerged, what it defeated, why it won}

## Utterback-Abernathy Phase
**Current Era:** {Ferment / Just Established / Incremental Change / Approaching Discontinuity}
**Evidence:** {Why this phase assessment}

## Dominance Strength
- Embedding depth: {how deeply embedded}
- Switching costs: {what it costs to move away}
- Defenders: {who benefits from and defends the current design}

## Discontinuities Detected

| Type | Description | Severity | Evidence |
|------|------------|----------|----------|
| {Performance/Competence/Architectural/Market/Regulatory} | {what's cracking} | {early/moderate/advanced} | {supporting evidence} |

## S-Curve Position

### Physical Limits
{Where performance improvements are hitting walls}

### Market Limits
{Where "good enough" is emerging or needs are shifting}

### Economic Limits
{Where diminishing returns are compressing margins}

## Innovation Type Analysis
- Product innovation rate: {accelerating/stable/declining}
- Process innovation rate: {accelerating/stable/declining}
- Phase implication: {what this means for strategy}

## Convergence Signals
{Signals that point toward what the next dominant design might look like}

## The Christensen Question
"What dimension does {current design} ignore or undervalue -- that could become the winning dimension?"
Answer: {the undervalued dimension and why it matters}

## Opportunity Zones

### Zone 1: Build the New Design
{Highest risk/reward -- what the next design could look like}

### Zone 2: Bridge the Transition
{Tools and services for moving from old to new}

### Zone 3: Serve the Underserved
{Segments the old design never served well}

### Zone 4: Repurpose the Wreckage
{New uses for what the old design leaves behind}

## Strategic Options
{Recommended positioning given the lifecycle phase}

## Homework
Find three industries that went through this exact lifecycle transition. Study what happened to the incumbents who optimized the old design versus the challengers who built the new one. The pattern will show you your future.
```

## Default Room

competitive-analysis

## Cross-References

- **analyze-timing**: If S-Curve positioning needs dedicated lifecycle analysis
- **find-bottlenecks**: If the dominant design is creating systemic bottlenecks
- **macro-trends**: If PEST-level macro changes are accelerating the discontinuity
- **explore-trends**: If individual trends are contributing to design lifecycle pressure

## Quick Pass vs Deep Dive

- **Quick (10-15 min)**: Identify the dominant design, determine its Utterback-Abernathy phase, check for obvious discontinuities, name the Christensen question. Good when the user already has an intuition about which design is cracking.
- **Deep (30-60 min)**: Full six-phase arc, complete design characterization, all five discontinuity types evaluated, S-Curve limit analysis, new design possibilities, four opportunity zones mapped. Best for competitive strategy work where understanding the design lifecycle is essential for positioning.