Apple's iPod has been called "one of the greatest consumer electronics hits of all time." More than 120 million iPods have been sold, and the iPod captures more than 70 percent of the music player market. This success has attracted many large, resourceful competitors. The iPod is in the ________ stage of the product life cycle.
A) introduction
B) product development
C) maturity
D) decline
E) adoption
Answer: C