Apple Has a Magnificent Glass-Enclosed Multilevel Store in Boston with a Genius

Apple has a magnificent glass-enclosed multilevel store in Boston with a Genius Bar staffed with techies who are very knowledgeable about its products. Customers who have purchased an Apple product (iPad, iPhone, iPod, MacPro, etc.) can make an appointment with a Genius and get personalized information and repair services on the spot. This type of retail shop is an example of a:

A) branded service.
B) reminder service.
C) pioneering service.
D) competitive service.
E) comparative service.