Am not saying it is not happening already, but some sort of critical mass has not been reached. I am not sure how to quantify this mass. Obviously we are not q

Am not saying it is not happening already, but some sort of critical mass has not been reached. I am not sure how to quantify this mass. Obviously we are not quite there yet. You friend has learned a lesson, many here are paying money so that they could say "hey siri/google".