How Domino's Put Automagic Pizza on Every Device. Like, Every Device

I also could have tweeted or texted or even turned on the TV. But I chose Amazon Echo because my Echo and I have a good rapport. Or we did, until I tried having it deliver a pizza to my mouth. I'd done the requisite work, setting up a Pizza Profile on the Domino's desktop site, enabling the Domino's "skill" in my Alexa app, and working up a healthy appetite. And yet, not a slice to be seen.