Amazon gets closer to getting Alexa everywhere

Rohit Prasad has 17 smart speakers in his home powered by Amazon's smart assistant. "I test my own technology - with all of them being called Alexa, I see which one is waking up and whether it is the right device," says the chief scientist of the AI division responsible for the tech. But, it seems, still not enough. In a one-on-one interview with the BBC, Mr Prasad discussed plans for Alexa to both become smarter and to follow users wherever they go. This is known in the trade as ubiquitous ambient computing, and Amazon hopes to corner the market.