April Fools' Day 2013

Scope introduced bacon flavored mouthwash today, particularly enjoyable for those who don't like mint, or who really really like bacon.

Read all about the history of April Fools' Day on Wikipedia
"April Fools' Day is celebrated in many countries on April 1 every year, and many experts agree that it is acceptable to extend it to April 2 if one desires - due to the fact that the World is becoming smaller. It is such common practice, in fact, that Honduras' Department of Tourism filed for both days to be official, national public holidays in the last week or so."

And a round-up by the Wall Street Journal:
The Web's Best April Fools' Jokes