"Check this. Next time you're talking to someone and they forget what they're saying in mid-sentence, ask them if they've just had a diet soda. Try it!" - Frank Zappa on Nutra-Sweet, from a late 1980's TV interview.
Who here has ever tried Virgin Cola (that's Virgin as in "...Atlantic airlines" or "records")? It's no longer available in North America, but a friend remarked that it reminded her of 1950's Coca-cola.