@everydaydude) saw his mother struggling to keep her local bookstore open. He promised to buy everyone (well, at least everyone untill his creditcard was empty) who spent over $50 at the store a burrito, and sent a Tweet with a link to the post. The message got picked up and soon enough, customers came flocking to the store. Durand had accidentally created a great viral marketing campaign, using the informal nature of social media. A great example of how social media can be used to appeal to peoples goodwill.
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