Gadget Ogling: Lingering Echoes, DIY Scanner Projects, and Empowered Pitchers

Amazon is doubling down on its Alexa personal assistant with two new models of the Echo speaker: Echo Dot and Amazon Tap. The Dot is a much more compact version of Echo. While it does have its own speaker, it apparently has nowhere near the quality of the Echo proper. As a standalone device, it looks more suited to standing in as an alarm clock and delivering the day's headlines than playing music. However, the idea here is to turn any speaker into an Alexa-connected machine.

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