Answer:
message is really important nowadays without message we cannot comunicate with one another so in my opinion message is very usefull.
A is most likely the answer.
Hope this Helped!
;D
Answer:
To take creative control over the Shutter Speed, try using Shutter Priority Mode or Manual Mode. By slowing down your shutter speed, you can get some awesome photos of star trails, stretched out clouds, vehicle tail light trails, smooth ocean or waterfall shots, moon trails (yes I said moon trails) and the list goes on.
Explanation:
