How businesses are deploying facial recognition

As facial recognition software becomes easier to acquire, businesses are using it to surveil and analyze customers. Bloomberg's Parmy Olson explains where and how the technology is being deployed. Parmy Olson is a journalist and opinion columnist for Bloomberg. Previously, Olson wrote about technology for The Wall Street Journal and Forbes. In 2012, she published her book: We Are Anonymous: Inside the Hacker World Of LulzSec and the Global Cyber Insurgency.