At the Time of Its Introduction, Which of the Following

Multiple Choice

At the time of its introduction, which of the following products was the best example of a continuous innovation?

A) The first Apple iPhone
B) Atari, the first video game system
C) Sunsilk Silky Straight shampoo and conditioner with tip-targeting technology
D) Dragon Naturally Speaking voice-recognition software
E) Naturalpoint Trakir, which replaces the computer mouse by tracking head movements and then translating those head movements into cursor commands