Felissa manages a department store. On a regular basis, she'll walk through the various sales floors, stop in at the loading docks, and visit the stock rooms. What type of informal communication is Felissa using to keep in touch with what is going on throughout the store?
A. Grapevine
B. Management by wandering around
C. Social media
D. Cluster chains
E. Artificial intelligence

Management by wandering around is a style of business management that focuses on deliberate and genuine strategy for learning about the work environment and staying abreast of the worker's, interests, work and ideas around an office or plan initiate contact. This strategy is carried out by walking around the office by the managers in order to familarize and create a kind of connection with the subordinate in the organization in a random manner.

From the question, Felissa is using Management by wandering around to keep in touch with what is going on throughout the department store.