I'd imagine it's to give the product/voice a more human-like feel to it. "Echo" sounds like I'm talking to a robot, or a dog (or a robot dog). "Alexa" could b

I'd imagine it's to give the product/voice a more human-like feel to it. "Echo" sounds like I'm talking to a robot, or a dog (or a robot dog). "Alexa" could be a human.