Internal AT&T takes staff brainstorming online With its tStorm feature, employees can share and workshop ideas in small groups or companywide, with voting on the best ones. By Matt WilsonFeb. 28, 2011 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.