From the printing press to the internet, new technologies have often made it easier to spread untruths or impersonate the trustworthy. Typically, humans have used shortcuts to sniff out foul play: one too many spelling mistakes suggests an email might be a phishing attack, for example.It is now possible to generate fake but realistic content with little more than the click of a mouse.It is also a profound change in societies that have long regarded images, video and audio as close to ironclad proof that something is real. Phone scammers now need just ten seconds of audio to mimic the voices of loved ones in distress. Do you think that there is need to have a technology to counter that ?