It’s easier to hold to your principles 100% of the time than it is to hold to them 98% of the time. - Clayton Christensen

Our findings support many of the conclusions of the resource dependence theorists, who contend that a firm's scope for strategic change is strongly bounded by the interests of external entities (customers, in this study) who provide the resources the firm needs to survive.

So the people using the Android operating system are now Motorola, Samsung, LG. And they are killing Apple: now, Android accounts for about 80 percent of the market.

The transition from proprietary architecture to open modular architecture just happens over and over again. It happened in the personal computer. Although it didn’t kill Apple’s computer business, it relegated Apple to the status of a minor player. … You also see modularity organized around the Android operating system that is growing much faster than the iPhone. So I worry that modularity will do its work on Apple.