Should you be worried that Google wants to do all your chores?

Google Duplex will call salons, restaurants, and pretend to be your personal human. Google will one day be able to drive a car for you. It can help you compose your e-mails and finish your thoughts now, automatically. And now, in a spooky view of the future, it can even make phone calls on your behalf. Google's display of artificial intelligence and what computers are now capable of this week at its I/O developer's conference was both the most exciting breakthrough in tech of the year, and the scariest.