One man's brain plus one other will produce one half as many ideas as
one man would have produced alone. These two plus two more will
produce half again as many ideas. These four plus four more begin to
represent a creative meeting, and the ratio changes to one quarter as
many ...
-- Anthony Chevins
How many
software engineers
-- does it take to change a light bulb?
Four, plus one senior analyst to manage the project, one
technical writer to correct the spelling and grammar of the
one who documented it, one light bulb librarian, a
sales-force of at least five to drum up enough users who want
to turn the light on, 274 users to burn out the new bulb, at
which point we go to tender for another light bulb change,....