I was lucky enough to build on the work of a number of people who had already run laps around this theory-building track. The original classification scheme, years ago, distinguished radical from incremental change. The theory said that established firms managed incremental change well, but would be expected to founder when their industry encountered a radical change.
Clayton ChristensenEfficiency innovations provide return on investment in 12-18 months. Empowering innovations take 5-10 years to yield a return. We have ample capital - oceans of capital - that is being reinvested into efficiency innovation.
Clayton ChristensenWatching how customers actually use a product provides much more reliable information than can be gleaned from a verbal interview or a focus group.
Clayton Christensen