Which of the following were designed to allow users to alert their friends of their exact whereabouts via their mobile phones?
A) virtual worlds
B) location-based social networks
C) product review sites
D) social networking sites
E) avatars

Question

Quizplus · Accepted Answer

Location-based social networks are the only option among the given choices that allow users to notify their friends of their exact location via their mobile phones. Virtual worlds and avatars are typically used for online gaming, while product review sites and social networking sites do not specifically focus on sharing location information.

Which of the Following Were Designed to Allow Users to Alert