Google paid people $5 to scan their faces for Pixel4

San Francisco: At a time when face recognition technology is in the thick of controversies, Google paid people $5 in exchange for a facial scan to build an accurate face unlock feature for the upcoming Pixel 4.

Google employees roamed the streets in the US, offering $5 gift certificates in exchange for a facial scan, The Verge reported on Monday.

Google confirmed it conducted “field research” to collect face-scanning data in order to improve its algorithms.