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Eye tracking is looking like the next big thing for VR, and HTC has already shown interest in the technology. The company also says it's serious about bringing this technology to the mainstream market in its VR headsets.In HTC's Vive X accelerator program, startup aGlass already offers developer kits for eye tracking lenses that can be slotted into the Vive. With Tobii's eye tracking now embedded in Qualcomm's latest standalone reference headset - an assortment of tech that VR companies will draw from - it's sure to get a lot of momentum in the coming year.
https://www.wareable.com/vr/eye-tracking-vive-focus-vr-future-482