Earlier quoted context omitted.
I grow tired of this pathetic baseless fear mongering every single time anything is posted with voice control. You people completely ignore the mode of operation and start making idiotic claims about "well NSA!" In this case, as the website makes clear, you have to say the word "Alexa" for it to start listening. If you had been paying attention to the mobile scene even a little bit you'd know that this is on-chip lis…
"you have to say the word "Alexa" for it to start listening" That means that it is ALWAYS listening. It needs to listen for that trigger word at all times.
Most of the time, it is not paying attention - the chip that is processing the sound is looking for the ONE word that will activate it. That passive audio processing is happening locally on a chip that is dedicated to the task. Once activated - the expensive processing happens and the sound gets processed, converted to text, sent to the cloud.