He held the last coin between his fingers staring absently at it.
"Multivac is not the first computer friends, nor the best-known,
nor the one that can most efficiently lift the load of decision from
the shoulders of the executive. A machine did win the war, John, at
least a very simple computing device did; one I used every time I had
a particularly hard decision to make."

With a faint smile of reminiscence, he flipped the coin he held.
It glinted in the air as it spun and came down in Swift's outstretched palm.
His hand closed over it and brought it down on the back of his left hand.
His right hand remained in place, hiding the coin.

"Heads or tails, gentlemen?" said Swift

from "The Machine That Won The War" by Isaac Asimov