https://www.recode.net/2018/2/6/16977006/walmart-vr-virtual-reality-spatialand-store-no-8
origin - https://www.pipiscrew.com/2018/02/walmart-has-acquired-a-virtual-reality-startup-as-part-of-its-tech-makeover/ walmart-has-acquired-a-virtual-reality-startup-as-part-of-its-tech-makeover