Thomas alleges that she frequently calls Walmart stores in Vandalia and Effingham about prescriptions, automobile servicing, and product availability. The proposed class includes Illinois citizens whose biometric information Walmart collected, obtained, or disclosed during the applicable limitations period. Illinois’ Biometric Information Privacy Act (BIPA) expressly defines a voiceprint as a biometric identifier. The law separately prohibits companies from profiting from biometric information and generally bars disclosure without consent. Article Topicsbiometric identifiers | Biometric Information Privacy Act (BIPA) | data protection | Illinois | voice biometrics | voiceprints | Walmart