Prompted by this post from Mario Guzman, I was finally about to put into words what bothers me about Siri – and what I hope Apple’s upcoming A.I.-focused WWDC will improve. We’re over a decade into the industry’s voice assistant experiment, and given the same input, the output doesn’t feel reliably deterministic. Voice is an interface that is not stable or discoverable. Every morning, I say, “Hey, Siri. Turn on the office lights.” This morning, Siri responded, “Sure. What woul...