Virtual reality and augmented reality have been off to bumpy starts.  Technology for virtual reality (VR) is expensive, the headsets are bulky and require users to be tethered to computers, and users can suffer from motion sickness. Despite those concerns, however, venture capital for augmented reality (AR) and virtual reality (VR) firms has nearly tripled since 2015, according to the VRVCA VR/AR Global Investment Report & Outlook (PDF).

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