History of The Weather Channel Network, and the "Forecast Earth"/environmental unit (however, certain portions of the "Forecast Earth" unit remain with TWC). The layoffs took effect on November 30 (The Weather Channel later stated it would air other environmental programs). With the shutdown of NBC Weather Plus that month as a result of NBC Universal's partial acquisition of The Weather Channel, certain meteorologists from the digital broadcast network were eventually integrated into TWC's on-camera weather staff; forecasting, radar and graphics systems used by other NBC Universal television news properties (including NBC News, CNBC and MSNBC) replaced the Weather Plus-branded banner graphics to fit The Weather
The purpose of a system is what it does The purpose of a system is what it does The purpose of a system is what it does (POSIWID) is a systems thinking heuristic coined by Stafford Beer. Stafford Beer coined the term POSIWID and used it many times in public addresses. In his address to the University of Valladolid, Spain, in October 2001, he said "According to the cybernetician, the purpose of a system is what it does. This is a basic dictum. It stands for bald fact, which makes a better starting point in seeking understanding than the familiar attributions of good intention, prejudices about expectations, moral judgment,