The Adjacent Possible
Innovation happens at the boundaries of what is currently achievable, expanding the frontier with each new combination
The adjacent possible, a concept originated by scientist Stuart Kauffman and applied to innovation by Steven Johnson, describes the set of all first-order combinations and possibilities that are reachable from the current state of things. At any given moment, the world is capable of extraordinary change, but only certain changes can actually happen because they depend on the components and ideas already in existence.
Johnson uses the metaphor of a house that magically expands with each door you open. You start in a room with four doors, each leading to a new room. Those four rooms represent the adjacent possible. But once you walk through one door, three new doors appear in the new room, leading to places you could not have reached from your starting point. Each exploration expands the frontier of what becomes possible next.
This principle explains why the same inventions are often discovered simultaneously by independent inventors. When the adjacent possible is ripe for a particular idea, multiple minds exploring those boundaries will converge on similar solutions. It also explains why some ideas are ahead of their time and fail: they require components or concepts that have not yet entered the adjacent possible. A YouTube in the 1990s would have failed because broadband, Flash video, and the social web did not yet exist.
The practical implication is that the best innovations tend to take existing pieces and combine them in new ways rather than conjuring something from nothing. Innovators who deeply understand the current landscape of tools, ideas, and platforms are best positioned to see which doors are ready to be opened.
- At any moment, only certain innovations are possible because they depend on existing components and ideas
- The boundaries of the possible expand each time a new combination is achieved, opening further possibilities that were previously unreachable
- Simultaneous independent invention is evidence that the adjacent possible was ripe for that particular idea
- Ideas that jump too far ahead of the adjacent possible tend to fail because the necessary supporting components do not yet exist
- Good ideas are built by recombining existing parts in novel ways rather than by conjuring something entirely unprecedented
- Understanding what is newly possible requires broad awareness of current tools, platforms, and discoveries across multiple domains
- 1. Map Your Current LandscapeSurvey the existing components, tools, ideas, platforms, and knowledge available in your domain and adjacent domains. Understand what building blocks are currently at your disposal, because innovations emerge from recombining what already exists.Pro tipLook beyond your own field. Many breakthroughs come from borrowing components or ideas from unrelated disciplines that have recently become available.WarningDo not limit your survey to your own expertise. The adjacent possible is larger than any single domain, and the most fertile territory often lies at the intersection of multiple fields.
- 2. Identify the Doors Ready to OpenLook for first-order combinations that have become newly possible thanks to recent developments. Ask what you can now build or connect that was not feasible a year or five years ago. These are the doors in your current room.Pro tipPay attention to simultaneous discovery. If multiple people are working on similar ideas independently, that is a strong signal that a particular door in the adjacent possible is ready to open.WarningResist the temptation to leap too far ahead. Ideas that require multiple not-yet-existing components are outside the adjacent possible and are likely to fail or stall.
- 3. Combine and Recombine Existing ElementsTake the available building blocks and experiment with novel combinations. The most generative innovations tend to borrow from existing platforms, tools, and ideas and assemble them in configurations that no one has tried before.Pro tipThink of innovation as architecture rather than magic. You are assembling available materials into a new structure, not waiting for divine inspiration.WarningNot every combination is viable. Test your combinations quickly to learn which new doors they open and which lead to dead ends.
- 4. Explore the New RoomsOnce you have achieved a new combination, survey the expanded adjacent possible it reveals. Each successful innovation opens new doors that were previously invisible. Use each breakthrough as a platform for further exploration.Pro tipDocument the new possibilities that emerge from each innovation. The most impactful ideas often come not from the initial combination but from the second or third generation of possibilities it unlocks.WarningAvoid getting stuck admiring your first breakthrough. The real power of the adjacent possible lies in the cascading expansion of future possibilities.
Stuart Kauffman introduced the concept of the adjacent possible to describe the set of molecular reactions achievable in prebiotic chemistry. Steven Johnson extended the idea to explain patterns in human innovation. He observed that breakthroughs like the incubator, the printing press, and the World Wide Web all emerged by recombining existing components in new configurations rather than inventing wholly novel technologies. Johnson traces the pattern from the origin of life through the history of cities and technology to show that genuine innovation consistently works by exploring the edges of what currently exists.