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The large range of applications for wearable devices provides numerous opportunities for these technologies in diverse domains. However, the dynamic changes in the context of use during the user interaction, summed with the heterogeneity of users’ profiles, challenges the design of effective interfaces and interactive solutions for wearable technologies. In addition to that, wearables often have limited resources: their computational power, processing capabilities, screen dimensions and modalities are often constrained. Finally, the novelty in this market is characterized by limited guidance to effectively aid developers and designers to ensure high usability levels and to promote a great user experience in the design of the wearable interaction. To provide a high quality user experience, the context of use where the user interaction takes place needs to be thoroughly investigated and understood, accommodating its dynamic changes, as well as the specific needs and requirements of diverse users’ profiles in the design of interfaces and interaction. In this talk, you will learn about how context impacts the design of wearables, especially concerning wrist-worn devices, such as fitness trackers and smartwatches. More specifically, you will gain knowledge about: (1) a set of contextual factors that impact the wrist-worn interaction, ranging from environment, to platform and user profile, and (2) how those factors must be considered in the design of the user interaction for wearables, benefiting multimodal interactive solutions as well as multidisciplinary application domains.