Related:

• How many software testers -- does it take to change a light bulb?
  None. We just recognized darkness, fixing it is someone else's problem....
• How many undertakers -- does it take to change a light bulb?
  None. They just paint them black and go on using them....
• How many university professors -- does it take to change a light bulb?
  Just one, but once we get tenure, we don't change anymore....
• Q: How many QA testers does it take to change a lightbulb?
  A: QA testers don't change anything. They just report that it's dark. Kerry Zalla...
• How many Liberal Democrats -- does it take to change a light bulb?
  None. "Well it's not really a question of should we change it or should we not change the light bulb, but more a question of....
• How many cafeteria staff -- does it take to change a light bulb?
  Sorry, we closed 18 seconds ago, and I've just cashed up....
• How many Borg -- does it take to change a light bulb? None, they just assimilate the bulb.
• How many Russian leaders -- does it take to change a light bulb?
  None, the old bulb is just suffering from a cold....
• How many Jewish mothers in law -- does it take to change a light bulb?
  (cue typical accent, shoulders hunched...) None, they'll just sit in the dark, they know you can't be bothered to do a simple thing like change a light bulb for them, and after all they've done for you....