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Denny's restaurant in the United States once printed thousands of menus for their dinner service -- with a misprint that confused many of its customers.
At the bottom, the menu invited you to "Join the conversation" by visiting its Twitter profile at twitter.com/dennys.
However, its actual profile name is @DennysDiner -- whereas @dennys actually belongs to a man living in Taiwan. Customers that loks up the profile were no doubt confused when they met tweets in Taiwanese.