These are available as bumper stickers and t-shirts:
Here's my rhetorical question to you: why is this funny?
- The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!)
- There Ain't No Such Thing as Plain Text
- On the Goodness of Unicode
- Wikipedia article on Unicode
Here's hoping the next programmer who sees this is laughing, too-- and for the right reasons.