https://www.reuters.com/article/us-alphabet-google-privacy/google-to-let-sites-block-personalized-ads-under-california-privacy-law-idUSKBN1XV034

Websites and apps using Google's advertising tools will be able to block personalized ads to internet users in California and elsewhere as part of the Alphabet Inc unit's effort to help them comply with the state's new privacy law, it told clients this week.