The key for the everyday user probably won't be better AI, but rather the achievement of more natural interaction rhythms. People cajole, beg and bargain with t

The key for the everyday user probably won't be better AI, but rather the achievement of more natural interaction rhythms. People cajole, beg and bargain with their cars, computers, baseball teams; with no response expected, the rhythms are conversational (if wry). The one second press-and-hold, then the three second wait for response, are obstacles that keep Siri removed. Once those limitations are inevitably gone, and one can immediately say "thanks" and hear a naturalistic response in less than half a second (like Malkovich in the commercial where "time sequences are shortened"), the illusion will be a strong one. Statefulness, ubiquity, and responsiveness will be a powerful UX combination. To the degree Siri interaction becomes naturalistic, we'll probably say "please" and "thanks" much as we do in everyday speech.