[scott_s]

This happens to me with Siri and podcasts - I listen to podcasts in my car, through my iPhone. Occasionally what people say will sound close enough to "Hey, Siri" that it stops the podcasts and and answers whatever question it could extract from the talking following what it thought was "Hey, Siri".

It's repeatable, too. One time it happened right as I was parking, on an episode of This American Life. (Or Serial. Or Planet Money. Yeah, yeah, I listen to a lot of NPR shows.) So I kept rewinding back over that part, and it kept triggering Siri.

[mattbeckman]

I believe it was This American Life, as I came here to write the same post you did. I had my iPhone mounted to an external speaker at the time, which triggered Siri, so we're probably referring to the same episode.

[userbinator]

A word that comes to mind for possibly being close enough --- if said in the right manner --- is "history", and not an uncommon word either.