Koi (dish) Koi (dish) Koi (; , ) is a "salad" dish of the Lao people of Laos and Isan consisting of raw meat denatured by acidity, usually from lime juice. Common varieties include koi kung (), with shrimp as the main ingredient, and koi paa ()/koi pla (), which consists of minced or finely chopped raw fish in spicy salad dressing. Koi can be a source of parasitic diseases. Koi made with raw fish is a popular dish in Laos and Isaan and a common source of infection with the Southeast Asian liver fluke "Opisthorchis viverrini". Koi pla eaten in north-east
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,