Amazon's Echo success took me a little by surprise. It seemed like we went overnight from questioning the idea of a voice assistant in a speaker to almost everyone owning an Echo and companies rushing to add Alexa support for their services and products. Part of what seemed like a quick success is due to the Echo Dot, the smaller cheaper version that you can sprinkle around the house in places where you don't care about excellent sound quality.

The second generation Echo Dot builds on that. Unlike the first one, you can order it directly from Amazon without having to use another Echo.

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