When an enormous Amazon locker showed up in San Francisco this week, many were curious about what was in the locker. Amazon has come out with it: the locker houses a Nissan Rogue_that customers can win. The stunt is part of an advertising campaign that Amazon has inked with Nissan. If you visit the locker, which is located at Justin Herman Plaza, you can win a code by posting to social media with the #GiantLocker hashtag. Nissan representatives will then give you the_code to a door on the locker. One lucky winner will take home the car, while other boxes...

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