For our technology previews, I normally set up an email address and a discussion forum. Though feedback through the email address seems to be more popular, feedback through the forum allows everyone to see both the question and the answer. TechnologyPreviewForumEmail 2D to 3D Tool for Inventor labs.iv.2dto3d@autodesk.com 3D Annotation for Inventor labs.iv.3da@autodesk.com 3D/2D ShareNow Add-in for AutoCAD, Inventor, Revit, and Design Review labs.freewheel@autodesk.com BIM Family Toolkit labs.iv.bim@autodesk.com Bridge Modeler for AutoCAD Civil 3D labs.civild.bridge@autodesk.com CommunityCommands for AutoCAD labs.acad.commcmd@autodesk.com Daylight Analysis Tool for Housing in China labs.revit.sustainability@autodesk.com Factory Layout Optimization for AutoCAD labs.acad.optimization@autodesk.com Feature Recognition for Inventor labs.iv.feature.recog@autodesk.com Google Earth Extension for AutoCAD labs.acad.google@autodesk.com Inventor Fusion Technology Preview labs.iv.fusion@autodesk.com Mesh Enabler for Inventor labs.iv.mesh@autodesk.com Panel Gap for Alias Automotive and Alias Surface labs.alias.panelgap@autodesk.com Performance Monitor for AutoCAD labs.acad.perfmon@autodesk.com Photo Scene Editor for Project Photofly labs.photofly@autodesk.com Plugin of the Month labs.plugins@autodesk.com Point Cloud Feature Extraction for AutoCAD Civil 3D labs.acad.shape@autodesk.com Point Cloud Tool for 3ds Max/3ds Max Design labs.3dsmax.pointcloud@autodesk.com Project Bluestreak labs.bluestreak@autodesk.com Project Freewheel labs.freewheel@autodesk.com Project Galileo labs.galileo@autodesk.com Project Krypton for Inventor, Pro/E, and SolidWorks labs.iv.krypton@autodesk.com Project Neon labs.neon@autodesk.com Project Newport labs.newport@autodesk.com Project Nucleus labs.revit.nucleus@autodesk.com Project Photofly labs.photofly@autodesk.com Project Scandium Technology Preview for Moldflow Insight labs.moldflow.scandium@autodesk.com Project Snap for AutoCAD labs.snap@autodesk.com Project Twitch Application Trials labs.trials@autodesk.com Project Vasari labs.vasari@autodesk.com Rhino Import Translator Add-in for Inventor labs.iv.trans@autodesk.com Shape Extraction for AutoCAD labs.acad.shape@autodesk.com STL Exporter for Revit Platform labs.revit.stl@autodesk.com Subassembly Composer for AutoCAD Civil 3D labs.civil3d.subassembly@autodesk.com Though the forum is preferred, some users who use the new Internet Explorer 9 browser to post to the forums are getting blank posts. The web team is looking into it. Until a solution is in place, users can always fall back on email. Repair work is alive in the lab. Go to the original post...