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Continue to ChatHow Fortune 500 companies use social media http://allthingstechnology.stephenleung.idv.hk/2012/04/23/how-fortune-500-companies-use-social-media/
How Fortune 500 companies use social media http://allthingstechnology.stephenleung.idv.hk/2012/04/23/how-fortune-500-companies-use-social-media/