Soda

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  World's Greatest Ice Tea Mixer

Soda exists for primarily one reason: To be combined with mentos with the resulting combination issuing forth from a two liter bottle like vomit from a tipsy bridesmaid. If there is another reason for it to exist-- decorative, nutritional, or otherwise-- we have not heard of it and wait to be convinced. Check out the great things people are doing with soda these days.