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EDISON - Slurpee machines across the country were humming Thursday as 7-Eleven gave out free drinks for 7-Eleven Day.
The convenience store chain does the promotion every year on July 11 (7/11) between 11 a.m. and 7 p.m.
The frozen carbonated drink is sold exclusively at the chain. 7-Eleven estimated that 9 million Slurpees would be given out Thursday.
7-Eleven has been selling Slurpees since 1965 after the success of the similar ICEE drink