HP’s Ambassador Program brings new trust between managers, workers At the Image and Printing Group (IPG) of Hewlett-Packard, social media have created a new openness and immediacy. By Bill SweetlandAug. 6, 2008 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.