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WPP's Sorrell: Twitter, Facebook Not Ad Media
- Harvard Business Review, Thursday, February 28, 2013 9:19 AM
In an interview with the Harvard Business Review, WPP chief Martin Sorrell "doo-doos" all over ascendant social media giants Twitter and Facebook are not advertising media, and certainly are not branding media. "I think it’s a PR medium. Again, it’s very effective word of mouth," he asserts.
