More from the article ...

... "Unbeknownst to plaintiff and other Illinois callers, Lowe's records callers' voices and, upon information and belief, subjects at least some calls to speaker-recognition or voice analysis processing that creates, collects, receives, or otherwise obtains voice prints derived from callers' distinctive vocal characteristics," Perkins says in the complaint. ...

While ordinary audio recording is a standard practice among customer service intended to improve overall quality, biometric technology analyzes characteristics of a speaker's voice and translates it into a "mathematical representation" used to distinguish a specific speaker from others.

"Unlike a password, account number, or security code, an individual cannot simply replace the biological and behavioral characteristics reflected in a voiceprint if the information is compromised," Perkins says in the complaint. ...

Does Lowe's then sell those voiceprints?

If so, what personal data might be attached to those voiceprints, and who might the buyers be?