Published in 1954, Fredric Brown’s Answer is an example of good flash fiction. In the very short story, Brown writes about man building a super computer, in which 96 billion planets are connected. Since all the knowledge of the world is connected by the flip of a switch, the main character, Dwar Reyn, takes the opportunity to ask the computer a question, “a question which no single cybernetics machine has been able to answer.”
Is there a god?
I don’t want to spoil the end, so I’ll stop plot the discussion here.
What I love about the story is that the reader is intentionally left to fill in the blanks. You’d have to given Answer’s word count.