History of Nintendo card business reached its saturation point. Japanese households stopped buying playing cards, and the price of Nintendo stock fell from 900 yen to 60 yen. In 1965, Nintendo hired Gunpei Yokoi as a maintenance engineer for the assembly line. However, Yokoi soon became famous for much more than his ability to repair conveyor belts. Nintendo struggled to survive in the Japanese toy industry; it was still small at this point, and dominated by already well-established companies such as Bandai and Tomy. Because of the generally short product life cycle of toys, the company always had to come up with new
Software product line create a product line of similar products using a common factory that assembles and configures parts designed to be reused across the product line. For example, automotive manufacturers can create unique variations of one car model using a single pool of carefully designed parts and a factory specifically designed to configure and assemble those parts. The characteristic that distinguishes software product lines from previous efforts is predictive versus opportunistic software reuse. Rather than put general software components into a library in the hope that opportunities for reuse will arise, software product lines only call for software artifacts to be created