Mentos and Coke or Pepsi Explosions on Video
I'm guaranteed a 30% increase in visitors to Revverberation simply by using the words mentos, coke, pepsi and explosions. It's quite hot right now. Here's a site called Eepy Bird that's powered by Revver. Currently it's devoted just to coke and mentos, but based on the name and e-mail newsletter signup it would appear they've got visions beyond explosive soda bottles.
These folks are making a fortune very quickly on this fad. But nothing satarizes it like this Enlish woman whose had just about enough!