inwehnsdysk]ifhsnmcpew,m.sa Time and tide wait for no man. Clearly, there is a qualitative difference between these two strings of characters. Whereas the bottom string performs a communication function, the top string does not. Thus, although the top string contains “Shannon information” and has a measurable improbability (or “complexity”), the bottom string contains both Shannon information and “functional” or “specified” information (sometimes called “specified complexity”).12