Answer:
One simple click, one simple flash. A piece of memory, for years I'll last. What am I?
I mean goodbye for South Americans.
I soar without wings I see without eyes. I've traveled the universe to and fro. I've conquered the world yet I've never been anywhere but home.
I am milky white and scares people.
I am the home for feathery animals.
I flow from the Homerβs mouth when he sees doughnuts.