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Why Alexa is always listening for its wake word

HERE’S THE INTERESTING PART

You literally paid a trillion-dollar corporation to bug your living room. Amazon's Echo devices continuously record short snippets of audio, locally processing the room's noise while waiting specifically for the "wake word." Once you say "Alexa," it officially starts recording and beaming your highly sensitive questions about weird rashes directly to the cloud.

Why Alexa is always listening for its wake word
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