Amazon, on the other hand, seems to have learned the right lessons from its mobile failures; what is notable about the company’s approach to Alexa is that it leverages and learns from the mobile era. Alexa benefits from Amazon’s investments in data centers and networking, interacts with both iOS and Android to the greatest extent possible, and is in line with Amazon’s overall business — making buying things that much more convenient. Alexa is an operating system for the home, and perhaps beyond.

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