The judges said the law is plain: just because you do something a LOT of times, that doesn't make it any less illegal to do it once. Every time is illegal. Applied to, e.g., murder, this is a simple thing to understand. Applied to automated data transactions . . . companies in Illinois better start understanding in a hurry.

James Zouras, the attorney representing the plaintiff, told Reuters that "hopefully, today’s decision will encourage employers and other biometric data collectors to finally start taking the law seriously."