Public relations firm Burson-Marsteller studied the largest 100 Fortune 500 companies and found that 79 percent of them use Facebook, Twitter or YouTube. Many of them have more than four Twitter accounts. …
Public relations firm Burson-Marsteller studied the largest 100 Fortune 500 companies and found that 79 percent of them use Facebook, Twitter or YouTube. Many of them have more than four Twitter accounts. …
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