Answer:
Don't respond to it. Either leave it there, or just delete it. It is most likely spam or a scammer trying to get your information. Don't respond, please.
Answer:
(d) all of the above
Explanation:
This is because, not only is digital video a core technology for digital television, it also happens to be a core technology for video conferencing and video messaging. This could be seen in its application in messaging apps for private discussion of for holding official meetings between employees in virtual conference.
One risk might be that they might use copyright music and and the music creator might take legal action.
To direct the employees and respond to any calls/emails regarding a problem or upgrade that should be changed/fixed. (I don't know if that's what you wanted)
