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Amazon Go cashier-free convenience store opens for business

Amazon Go’s cashier-less supermarket, is open for business in Seattle. The high-tech store will let you shop for food without having to deal with a check-out line. It allows you to do this with cameras and computer algorithms that track what you collect. Yahoo Finance’s Alexis Christoforous, Melody Hahm and Ethan Wolff-Mann break down the details.