Answer:
Sometimes I fly as fast as the speed of light. Sometime I crawl as slow as a snail. Unknown until I am measured but you will certainly miss me when Iām gone.
I have a name that's not mine and no one cares about me in their prime. People cry at my sight and lie by me all day and night.
What can travel all around the world without leaving its corner?
Digital white-out.
I have skin, more eyes than one. I can be very nice when I am done. What am I?
No matter how little or how much you use me, you change me every month.