Facebook wants to hide secret inaudible messages in TV ads | Daily Mail Online

Facebook wants to spy on you by hiding secret inaudible messages in TV ads that force your phone to record your private conversations, patent reveals

Facebook has filed a patent for a system that hides audio clips in TV adverts
These sounds would be so high-pitched that they are inaudible to humans
They would trigger your phone to record background noises in your home
Clips would help advertisers determine whether you are watching their ads...

Read more here: Facebook wants to hide secret inaudible messages in TV ads | Daily Mail Online.