A wagging finger sticking out of your mobile phone is creepy. Why?

Marc Teyssier, PhD student at Telecom Paris Tech Engineering school, poses with his robot finger 'MobiLimb' that attaches to a mobile phone, after an interview with Reuters in Paris, France, October 9, 2018. Picture taken on October 9, 2018. REUTERS/Gonzalo Fuentes

PARIS: A French researcher has invented a robot finger that attaches to your mobile phone. It can wriggle across your desk. It can stroke your hand. And guess what? It's creepy. No, really, watch the video. Creepy, see?

He wants to know why.