First, each pattern will be explained, and then we will show how to use them both separately and together.

. The Uneven Evolution of Systems The uneven evolution of the system causes problems, bottlenecks, and contradictions all the time. The unevenness concerns all systems and technologies: machinery, processes, organizations, and such. Unlike our typical way of thinking, particularly about technology, the evolution is not linear. Usually current trends are extrapolated directly to future trends. In reality, there are always discontinuities, that is, incremental quantitative changes are broken by qualitative leaps to new technology.