[Avodah] alexa sale?

[Saul Guberman]

On Thu, Aug 23, 2018 at 3:00 PM Rich, R Joel wrote:
> Reuvain awakes in the middle of the night and, forgetting that it is
> Shabbat, blurts out, "I really want to sell my chametz." Then, realizing
> that it's Shabbat, he makes a mental note to take care of it after Shabbat.
> He then forgets about it until after Pesach has already started.
> However, Alexa heard his pronouncement...

Why would the Alexa step be any different than you typing into your
computer.   All electronic, no physical kinyan happens.