How many ____ does it take to change a lightbulb?

How many flies does it take to screw in a light bulb? 2 but nobody knows how they got in there.

How many hands does it take to change a light bulb? Many. Many hands make light work.

How did the hipster burn his hand? He changed the light bulb before it was cool.

How many mystery writers does it take to change a light bulb? Two. One to screw it almost all the way in and the other to give it a surprising twist at the end.

How many apple enthusiasts does it take to change a light bulb? They don't change the light bulb, they just buy a new house.

How many Linux users does it take to change a light bulb? One, but he'll take a weekend to rewire half the basement, constantly promising that you'll never need to change a lightbulb again. When he's done, it only lights up if you flip the switch in a certain way, and it's somehow Microsoft's fault when it doesn't.

How many ska fans does it take to change a light bulb? One hundred. One to drop the light bulb and 99 to say, "pick it up pick it up pick it up..."

How many economists does it take to screw in a light bulb? None. If the light bulb really needed changing, market forces would have already caused it to happen.

These are a few of my favorites. What's your favorite light bulb joke?