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That's all right, and you're welcome. You have to start somewhere.

So how many ounces is a grande? It's less than venti, isn't it?[/quote]

technically, "grande" is not a standard measure of volume, it's just starbucks' lingo, but according to wiki:
...

A Starbuck's twenty ounce (568 ml - huge) coffee drink (from italian (?) venti -20?)