Sharon Barclay, who runs executive PR firm Blue Trumpet Group and the blog UberCEO, took Fortune's 2009 list of the top 100 CEOs and found what she calls a "miserable level of engagement" when it comes to social networks.
Barclay only found two CEOs with Twitter accounts, and only 13 had profiles on LinkedIn, the social network for professionals.
Though Barclay did not poll the CEOs themselves, she says the results question whether these executives are managing their online reputation.
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