Ins and Outs of Access Control
The correct and incorrect images for “What’s Wrong With This” were inadvertently reversed in the March Five Minute Tech Quiz (SDM, March 2016, pages 143 and 187). The image on p.187 is the incorrect image and the image on p. 143 is the correct image. You can see the corrected pages online at www.SDMmag.com. SDM regrets the error.