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What is the most expensive drink at Starbucks? A New York software engineer, Billy Chasen, decided to find out when he was given a voucher for a free drink of any variety. A venti white mocha is the priciest on the menu. He asked a barista at a Manhattan branch to squeeze as many extra shots and syrups into the cup as possible. The result? A 13-shot venti soy hazelnut vanilla cinnamon white mocha with extra white mocha and caramel. The cost was $13.76 (£6.97). His verdict? “It was very sweet and I’m still shaking a bit,” he reported on his blog. “I didn’t attempt to drink the entire thing, since I’d like to sleep tonight.
— http://www.guardian.co.uk/business/2008/jan/07/starbucks.useconomy