How many Microsoft executives does it take to change a light bulb?
1) 1001. One to install the new bulb, plus one thousand lawyers to assert intellectual property rights over every light bulb ever invented. 2) Microsoft doesn't change light bulbs. It declares Darkness (TM) the new standard.
How many philosophers does it take to change a light bulb?
1) "Hmmm ... well there's an interesting question isn't it?" 2) "Define 'light bulb' ..." 3) "How can you be sure it needs changing?" 4) Three. One to change it and two to stand around arguing over whether or not the light bulb exists.
What's the difference between a blonde and a light bulb?
How many Arabs does it take to change a light bulb?