AMA Exam PCM Topic 7 Question 77 Discussion

Shane, a fan of Zmob mobile phones, wants to buy Zmob's new device, Detop, based on a new operating system. Despite critics panning the device in favor of competitors' offerings, Shane buys a Detop. Pleasantly surprised by Detop's quality, Shane advices his friends, Jana and Raul, to buy the device. Jana and Paul examine Shane's Detop, and Jana decides to buy one for herself, while Paul decides to wait for the prices to drop. In this scenario, Shane is one among the _____.