Experts who work with the technology say advances have improved the process and the product. Projectors have become "brighter, much more capable of working with those types of unusual surfaces," said Craig Hanna, chief creative officer at California design company Thinkwell Group, which worked with Universal Studios Florida several years ago on a summer "Cinesphere Spectacular" showing images on back-lot facades. Software has also become more sophisticated, allowing the work to be done more quickly and simply, he said.