WHEN A PRODUCT REACHES THE END OF ITS PRODUCT LIFE CYCLE AND IS CONSEQUENTLY WITHDRAWN FROM THE MARKET. IT CAN BE EITHER COMPLETELY PULLED OUT FROM THE MARKET WITHOUT SUBSTITUTING IT OR, IN MANY CASES, SUBSTITUTING IT WITH A NEW EDITION. THIS COULD BE DUE TO A CHANGE IN MARKET DEMANDS, TECHNOLOGY, COMPETITIVE PRESSURE, UNPROFITABILITY, OR THE PRODUCT HAS BECOME OBSOLETE AND REPLACED BY FUNCTIONALLY RICHER TECHNOLOGY. ONCE OBSOLETE, THE PRODUCT IS NOT SOLD, IMPROVED, MAINTAINED, OR SUPPORTED. PRODUCT END OF LIFE (EOL)