People hand me business cards all the time, and almost all of them end up in the trash shortly thereafter. If you want me to keep a card you hand me, it had better be awesome. A dude that works for a video production firm called Longbow has created the most awesome business cards in history.
The business cards appear to be made out of thin wood sheets with etched words and numbers. The cool part is that you can remove the sides to create a thin bow that you string with a rubber band.
Once you have the rubber band on the bow, you can use it to fire toothpicks. I can only imagine the damage that shooting toothpicks at coworkers eyes would cause. I think cinnamon toothpicks would be my arrow of choice, that way not only could I poke your eye, I could make it burn too.