Fortune 500 Blogging, 2008-2012 [CHART]
Some 139 F500 companies (28%) have a corporate blog. Two of the largest five corporations (Exxon and Wal-Mart) are included in that group, whereas the other three (Chevron, ConocoPhillips, and Berkshire Hathaway) do not have a corporate facing blog. Read the rest at MarketingProfs.