Scenario 1-3 A Videogame Company, Nintendo, Launched an Innovative Motion-Sensing Gaming Console

Scenario 1-3
A videogame company, Nintendo, launched an innovative motion-sensing gaming console called the Wii. The Wii quickly took over as the leading gaming console because of its unique activity-enabling qualities, and for nearly four years, it dominated hardware sales in the gaming industry as any true competition for the product was yet to be introduced. However, this changed when Sony introduced its own motion-detecting gaming system to the market, the PlayStation Move. Sony has marketed the product as a superior product to Nintendo's, claiming that it is more precise and flaunts the PlayStation's high quality graphics. Sony's Move has been a topic of great debate, but the reception of the product over the long haul is yet to be seen. To dethrone the Wii, Sony will need to find a way to appeal to those who have not yet bought into "motion gaming." And of course, it wouldn't hurt if Sony somehow finds a way to entice Nintendo followers to switch over to its newest addition to the gaming industry. 
-(Scenario 1-3) Individuals who have been using the Wii do not want to switch to the Move because they relate Wii to a superior gaming experience and also because it has been in the market for a long time.The Wii is an example of a product that has _________.

A)  brand equity 
B)  brand variance 
C)  brand extension 
D)  elasticity of demand