Lightbulb joke

There's a very, very old joke that goes like this:

Q: How many Microsoft engineers does it take to change a lightbulb?

A: None - Microsoft will just redefine darkness as the new industry standard

It just popped into my head when I read this:

A German entrepreneur is bypassing a European Union ban on light bulbs of more than 60 watts by marketing his own brand as mini heaters.

Via