These are some raw notes from The Innovator's Dilemma by Clayton M. Christensen.
The Innovator's Dilemma describes how large incumbent companies lose market share by listening to their customers and providing what appears to be the highest-value products, but new companies that serve low-value customers with poorly developed technology can improve that technology incrementally until it is good enough to quickly take market share from established business.
Why does this happen?
1. Companies depend on customers and investors for resources
The theory of resource dependence states that while managers may think they control the flow of resources in their firms, in the end it is really customers and investors who dictate how money will be spent because companies with investment patterns that don't satisfy their customers and investors don't survive.
The highest-performing companies, in fact, are those that are the best at this — they have well-developed systems for killing ideas that their customers don't want. As a result, these companies find it very difficult to invest adequate resources in disruptive technologies — lower-margin opportunities that their customers don't want — until their customers want them. And by then it's too late.
2. Small markets don't solve growth needs for large companies
Disruptive technologies typically enable new markets to emerge. To maintain their share prices and create internal opportunities for employees to extend the scope of their responsibilities, successful companies need to continue to grow.
But while a $40 million company needs to find just $8 million to grow at 20 percent in the subsequent year, a $4 billion company needs to find $800 million in new sales. No new markets are that large. As a consequence, the larger and more successful an organization becomes, the weaker the argument that emerging markets can remain useful engines for growth.
Many large companies adopt a strategy of waiting until new markets are "large enough to be interesting". But evidence shows why this is not often a successful strategy.
Those large established firms that have successfully seized strong positions in new markets enabled by disruptive technologies have done so by giving responsibility to commercialize the disruptive technology to an organization whose size matched the size of the targeted market.
3. Markets that don't exist can't be analyzed
Sound market research and good planning followed by execution according to plan are hallmarks of good management. When applied to sustaining technological innovation, these practices are invaluable; they are the primary reason why established firms led in every single instance of sustaining innovation in the history of the disk drive industry.
Such reasoned approaches are feasible in dealing with sustaining technology because the size and growth rates of the markets are generally known, trajectories of technological progress have been established, and the needs of leading customers have usually been well articulated. Because the vast majority of innovations are sustaining in character, most executives have learned to manage innovation in a sustaining context, where analysis and planning were feasible.
In dealing with disruptive technologies leading to new markets, however, market researchers and business planners have consistently dismal records. In fact, based upon the evidence from the disk drive, motorcycle, and microprocessors industries, the only thing we may know for sure when we read experts' forecasts about how large emerging markets will become is that they are wrong.
It is disruptive innovations, where we know least about the market, that there are such strong first-mover advantages. This is the innovator's dilemma.
Companies whose investment process demands quantification of market sizes and financial returns before they can enter a market get paralyzed or make serious mistakes when faced with disruptive technologies. They demand market data when none exists and make judgements based upon financial projections when neither revenues or cost can, in fact, be known. Using planning and marketing techniques that were developed to manage sustaining technologies in the very different context of disruptive ones is an exercise in flapping wings.
4. An organization's capabilities define its disabilities
When managers tackle an innovation problem, they instinctively work to assign capable people to the job. But once they've found the right people, too many managers then assume that the organization in which they'll work will also be capable of succeeding at the task. And that is dangerous — because organizations have capabilities that exist independently of the people who work within them.
An employee of IBM, for example, can quite readily change the way he or she works, in order to work successfully in a small start-up company. But processes and values are not flexible. A process that is effective at managing the design of a minicomputer, for example, would be ineffective at managing the design of a desktop personal computer.
Similarly, values that cause employees to prioritize projects to develop high-margin products, cannot simultaneously accord priority to low-margin products. The very process and values that constitute an organization's capabilities in one context, define its disabilities in another context.
5. Technology supply may not equal market demand
Disruptive technologies, though they initially can only be used in small markets remote from the mainstream, are disruptive because they subsequently can become fully performance-competitive within the mainstream market against established products.
This happens because the pace of technological progress in products frequently exceeds the rate of performance improvement that mainstream customers demand or can absorb.
As a consequence, products whose features and functionality closely match market needs today often follow a trajectory of improvement by which they overshoot mainstream market needs tomorrow. And products that seriously underperform today, relative to customer expectations in mainstream markets, may become directly performance-competitive tomorrow.
Only those companies that carefully measure trends in how their mainstream customers use their products can catch the points at which the basis of competition will change in the markets they serve.