Which of the Following Scenarios Illustrates How Really New Product

Multiple Choice

Which of the following scenarios illustrates how really new product ideas disrupt the old ways of doing things?

A) The introduction of a new digital video recorder by a firm, which made video-cassette recorders for TVs obsolete
B) The introduction of a new range of cell phones by a firm, which has better features than those offered by its competitors
C) The addition of a new flavored breakfast cereal to a firm's existing line of breakfast cereals
D) The deletion of an existing product from a firm's line of perfumes because it isn't producing much profit
E) The QWERTY keyboard on smart phones reflecting the order of letters in manual typewriters