At the Sol Wave House Hotel, Located on the Beautiful

At the Sol Wave House hotel, located on the beautiful island of Majorca, Spain, a Twitter concierge stays in constant contact with guests. If a guest has a problem or question, the answer is just a hashtag away. Based on the Wheel of Social Media Engagement, this effective manner of back-and-forth communication demonstrates the

A) dynamic effect.
B) network effect.
C) connected effect.
D) interconnected effect.
E) information effect.