Home » BBC News - Technology » technology news » VR pioneer founds border security start-up VR pioneer founds border security start-up Unknown 4:36 AM BBC News - Technology technology news Sensors mounted on posts will be used to monitor activity around walls, fences and arenas. from BBC News - Technology http://ift.tt/2rWirw3 Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati