[jd20]

Right, you caught me :) what I really meant to say is American English speaker with no strong regional markers (i.e. Southern, New York). Maybe slightly Midwest, but I haven't been back in decades so it's pretty weak.

More importantly, I was distinguishing because while Siri should be able to to understand various accents, it's struggled with that. When it launched, there were only two English variants (US and UK), so if you were a native Indian or Australian English speaker (for example) your experience would suffer. Now, Siri has support for 9 different English variants so they've clearly come a long way, but I remember it wasn't always the case.