National Highway Traffic Safety Administration officials have shown interest in autonomous-driving technology and the agency is planning research to better understand the potential safety benefits.

WSJ: But Can It Find the Perfect Parking Spot, Too?

Now that Google is planning to launch innovative new products such as Google Glasses and autonomous cars for the real world in addition to mobile phones, storefronts would play an important role in introducing new innovations to the general public.

FORBES: Why Google Should Open Retail Stores