SAN FRANCISCO, CA - SEPTEMBER 20: Nest Labs Co-Founder and Chief Product Officer Matt Rogers speaks onstage during TechCrunch Disrupt SF 2017 at Pier 48 on September 20, 2017 in San Francisco, California. (Photo by Steve Jennings/Getty Images for TechCrunch)

Home device maker Nest Labs is adding Google’s facial recognition technology to a camera-equipped doorbell and rolling out a security system in an attempt to end its history of losses.