Apple Recently Introduced a Newly Designed IPod Nano with Multi-Touch

Multiple Choice

Apple recently introduced a newly designed iPod nano with Multi-Touch capability,a built-in FM radio,and mix-making Genius.Since it was not trying to reach a new target market,Apple was using which new product strategy?

A) Improvement or revision of existing product
B) Addition to an existing product line
C) Discontinuous innovation
D) Repositioned product
E) New product line