Related:

• How many gas fitters -- does it take to change a light bulb?
  Three: One to turn up the day before when you're out, one to change the switch, and one to bring along the wrong kind of bulb....
• How many bikers -- does it take to change a light bulb?
  It takes two. One to change the bulb, and the other to kick the switch....
• How many deaf blind people -- does it take to change a light bulb?
  Depends on whether or not you can get them to notice the darkness......
• How many blondes -- does it take to change a light bulb?
  It depends how many blondes there are, but some people prefer it with the lights off....
• How many first-time computer users -- does it take to screw in a light bulb?
  One, but it takes him three hours and two phone calls to the electrician before he realizes he forgot to turn the switch on....
• How many husbands -- does it take to change a light bulb?
  We'll know as soon as one gets off the couch and does it....
• How many people -- does it take to change a light bulb for Bobby Fischer?
  Two. One person to put the new one in, and another person to file three millimetres off it first....
• How many dull people -- does it take to change a light bulb? One.
• How many Australians -- does it take to screw in a light bulb?
  One, but you have to pry him off the sheep first....