Martin Gregorie  writes:
> On Fri, 05 May 2017 11:56:27 +0100, Andy Burns wrote:
>> I realise that any microphone connected to a computer is best treated as
>> though it is "always on" but you do seem to have to press the button to
>> talk to the AI-in-a-box.
>
> Is that true of Google's Alexa equivalent when its on a phone or a PC?

It is on mine.

> If not, are you sure the button isn't just added decoration on this
> thing?
>
> Alexa, for one, doesn't do voice recognition and, as a result, has been
> triggered to buy something by a voice on the TV. At least twice.

The Alexa in a Fire TV needs a button press to activate. (I don’t know
about its other deployments, offhand.)

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