A co worker brought in a bottle and let me try it, pretty funky tasting, slightly carbonated, fruity vinegarish but slightly addictive and apparently chock full of plenty of good for your digestive system and other bodily magic.
http://en.wikipedia.org/wiki/Kombucha
Kombucha
I thought she had a bottle of pink Sobe, but nope. Am I way behind on this or is this something obscure?