Answer:
Digital white-out.
Iβm grown from darkness but shine with a pale light. Very round I am and always a lady's delight.
No legs have I to dance, no lungs have I to breathe. No life have I to live or die, and yet I do all three. What am I?
What gets sharper the more you use it?
I have an eye, but I can't see. I usually have to work with something in my eye. What am I?
I flow from the Homerβs mouth when he sees doughnuts.