Answer:
The communication advantages of social media use by businesses can best be summarized as connectivity.
Step-by-step explanation:
- Connectivity is the term that is associated with the activity of the companies for their reach to the outer world scenario. 
 
- They have the main purpose of exposing themselves in the world through different platforms. 
 
- The main advantage they garb is through the digital marketing and social media. 
 
- This communication advantage is termed as the connectivity. It is the most important aspect for the developing companies as well as established ones. 
 
- The social media helps in increasing the engagement with the customers.