Gary Mintchell, Co-founder and Editor in Chief, previews feature articles for the upcoming April issue. The first feature provides an update on security and, specifically, Stuxnet. How have things changes on the plant floor since Stuxnet? Next, Renee Robbins Bassett, Managing Editor, serves up an interesting feature on how to integrate video and HMI. Contributing Editor Jim Koelsch looks at how companies are treating energy as a variable cost in today's manufacturing environments. Also, look out for two new Tech Abstracts in April. New for 2012, the Tech Abstracts section offers previews of white papers, research and/or surveys in a one page, synopsis format.