Continuing our countdown of the top ten #socialCEOs (based our October 2013 report data) and at number 3 marketing behemoth WPP’s Sir Martin Sorrell. Sorrell is one of only three FTSE100 CEOs who uses the LinkedIn service as a platform to publish content as an influencer (one is still to be announced in the topContinue reading "the #socialCEO top ten trumps – 3 Sir Martin Sorrell"