Apple Introduced the IPhone and IPad That Use a Multitouch

Apple introduced the iPhone and iPad that use a multitouch screen to control and interact with what's on its screen,as well as the Magic Trackpad,which is also is a multitouch device.These devices require consumers to use gestures (touch,swipe,tap,etc.) to perform various functions.This could "exterminate" the "mouse," a device Apple invented in 1977 for its Apple II computer that enabled users to perform various functions by moving the mouse and clicking its buttons.Based on the emergence of these two multitouch technologies,the mouse most likely is now in the __________ stage of its product life cycle.

A) introduction
B) decline
C) maturity
D) deletion
E) harvesting