This one from Internet Music Sensation Jonathan Coulton. Go to his website and give him lots of money because he made the theme to the game 'Portal' and you didn't.
Japan has always been known for getting a head start on some of the coolest fads. I think a Poop Museum would make a grand addition to The Smithsonian here in the States. Until then, it looks like Japan has the upper hand...
Apparently, if your building is burning and you can't get out, this bendy straw allows you to breathe the air directly from the sewer and not from your smoke filled room. Also makes a great bong!