Amazon's self-driving delivery robots are coming to California

This undated photo provided by Amazon shows a self-driving delivery robot that Amazon is calling Scout. Amazon is expanding the use of its self-driving delivery robots to a second state. NEW YORK – Amazon's self-driving robots will be roaming the streets of another neighborhood. The online shopping giant said Tuesday that the six-wheeled robots, about the size of a smaller cooler, will begin delivering packages to customers in Irvine, California. It comes after Amazon began testing them in a suburb of Seattle at the beginning of the year.