Siri's creators say they've made something better that will take care of everything for you

In an ordinary conference room in this city of start-ups, a group of engineers sat down to order pizza in an entirely new way. "Get me a pizza from Pizz'a Chicago near my office," one of the engineers said into his smartphone. It was their first real test of Viv, the artificial-intelligence technology that the team had been quietly building for more than a year. Everyone was a little nervous. Then, a text from Viv piped up: "Would you like toppings with that?"