Internal communications is a powerful generator of ROI, say editors Eighty percent of communicators who measure ROI say the ‘return on investment’ is greater than 10 percent; too bad 90 percent of communicators don’t measure at all. By Bill SweetlandNov. 15, 2007 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.