This LinuxTag 2005 award goes to - bitdefender!

The Antivir software producer gave small products away, packed in a paper-box about the size of of matchbox. On the back of the box you could read:

When used properly, BitDefender Prophylactics prevent unauthorized/involuntary exchange of potentially hazardous biological material.

Bit defender Prophylactics are specially coated to minimize unwanted friction effects.

BitDefender Prophylactics are electronically tested for compliance with strict quality norms.

BitDefender Prophylactics are made from 100% biodegradable natural latex.

And in the paper box, there was...

... a condom!