Rohit Prasad, the Indian-born engineer who created Amazon’s Alexa

(G.N.S) DT.23 Despite being a distant sci-fi vision in the 1970s, virtual assistants have become commonplace now. Although pioneered by Apple’s Siri, virtual assistants really started taking off with Amazon’s Alexa, which captured the imagination of many with its vast range of services and somtimes creepy comments. Interestingly, behind the multi-talented Alexa is