Microsoft patent is for those times when all of your devices answer to "Hey Cortana" at once

Source: www.phonearena.com --- Sunday, June 05, 2016
Microsoft has applied for a patent on a technology that prevents multiple devices from activating Cortana all at the same time when you say "Hey, Cortana." If you own a Windows 10 Mobile handset, a Microsoft Band 2, the Surface Pro 4 and a Windows 10 powered PC, saying "Hey Cortana" once in close proximity to all of these devices, could activate Cortana on multiple products... Photos: ...

from Microsoft http://ift.tt/1TVHLdU