The ruling of the Illinois Supreme Court, based on Illinois Compiled Statutes 740 ILCS 14/ - The Biometric Information Privacy Act is the foundation for this bit of privacy related good news. The key here within the Illinois Supreme Court's ruling and opinion, is the requirement to prove harm is no longer required. Look for a large number of cases brought forward based on this ruling - the tech giants might very well cease their ridiculous collection, storage and sale of biometric data, heretofore, without informed consent and recourse. Here's