At Recode’s Code Conference, Amazon CEO Jeff Bezos said Alexa could be the “fourth pillar” of his company – the other three being its retail marketplace, Amazon Prime, and Amazon Web Services. Bezos also revealed that Amazon now has more than 1,000 employees working on artificial intelligence. Which is cute, because it’s not artificial intelligence Alexa needs to get good at – it’s search. There’s no doubt that the smart home space is rapidly growing – Google just announced its own Home assistant and Apple is reportedly working on its own version. Alexa – and its most well-known implementation through Amazon Echo –…

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