T-Rex: This comic's punchline is written in...
T-Rex: INVISIBLE INK!
T-Rex: To see it, squirt lemon juice on your screen and heat it with a candle.
Utahraptor: You can't say that! Someone might actually do it!
T-Rex: Ha ha! Not us!
Utahraptor: I find no humour in abject amorality.
The author writes:
As far as we know, setting fire to your monitor is not explicitly listed as a thing that will void your warranty.