Recently, Mark Morris Dance Group, and created Moving Through Glass (MTG), a project that was funded by Google, as a portable, round-the-clock extension of the internationally acclaimed Dance for Parkinson's Disease (PD)®. When a user activates Glass, participants can choose from a variety of different exercises, like "warm me up" or "balance me." Once selected, they see the founder instructors of the Dance for PD® projected in front of them.