For years Print and Copy, a copier machine supplier, enjoyed strong sales and a huge share of the copier market, far ahead of its nearest competitor. However, over the years, Print and Copy seldom asked customers for feedback. So when some of Print and Copy's competition responded to customers' needs and started offering copiers with new features (such as wireless printing from laptop and tablet computers), Print and Copy lost much of its market share. Print and Copy's system is best described as__________.