Unlike the rest of the technology companies, Amazon is also investing heavily on artificial intelligence and it also boasts about it, Alexa. Amazon has always talked about its Alexa assistant to be in the work in progress. The FAQ of the company says that the more data that is used for training the systems the better would Alexa work. One thing that Amazon will never tell you is that it uses the voice of a number of customers for making Alexa work better. Amazon says that the more it uses the diverse voice recordings from the different types of customers, the more it would train Alexa to work better with everyone.