Wearables are everywhere. In the medical field they are transforming lives. Haiyan Zhang, Innovation Director at Microsoft Research, created a wearable for a young graphic designer that developed Parkinson’s. This wearable allows the Parkinson's patient to write and draw again. Haiyan explained the research process and the technical aspects of how the wearable works. We also talked about the Internet of Things, the components of these systems and the technical challenges.