A. It enables people to communicate in real time while engaged in something else, such as attending a presentation or group meeting

B. It is private and is a good choice to communicate sensitive information through a channel that cannot be subjected to legal review

C. It allows the sender to convey emotion with emojis and is a good choice to create a more personal connection with the recipient

D. It implies urgency in situations where the sender faces tight deadlines or needs an immediate answer