Colorado Third State to Enact Comprehensive Consumer Privacy Law

Colorado Gov. Jared Polis signed a bill Wednesday designed to prevent big tech companies and e-commerce websites from using consumer data without their consent.

The measure, S.B. 190, would let consumers say “no” to the collection, sharing, and selling of their personal data by online vendors and websites. Sponsors said it gives Colorado the strongest data privacy law in the U.S., while privacy advocates say it doesn’t go far enough, prompting one group to call on the governor to veto it.

California and Virginia are the only other states with comprehensive data privacy laws for consumers. By establishing a ...