This past Saturday my wife and I entertained several South Americans. For once we were the minority at the dinner table. Quite frankly it made me speak more Spanish, which I should be doing more of. Several of our guests tried to use our Echo with limited success. I don’t think it was there accent but rather the syntax in asking questions. Overall it was pretty frustrating for them.
Totally reliable voice recognition is still a ways off. My experience with the Amazon Echo continues to be pleasant and more productive. Below is a link for Echo users