b$)$ Reply to fix the problem and restore the relationship.

c$)$ Reach out to engage with the writer.

d$)$ No response, but monitor for activity.

$15.$ Sites such as may allow companies to anticipate customer needs onli

a$)$ Craigslist

b$)$ Hotmail

c$)$ Twitter

d$)$ Amazon

$16.$ When sending an instant message, you should