The 'Sum of All Thrills' uses robot-arm technology that Universal Orlando is also believed to be using for a new Harry Potter ride Walt Disney World unveiled its newest attraction Wednesday, a small but significant addition featuring first-of-its-kind simulators that allow guests to design -- and then ride -- their own roller coasters, bobsleds and jet planes. See the Orlando Sentinel story here: http://www.orlandosentinel.com/travel/attractions/orl-bk-disney-world-new-ride-101409,0,1658144.story