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Magazine Sections + Fashion + Art & Design + Travel + Food + Culture * Sports Columns + Jason Gay Sections + MLB + NBA + NFL + Golf + Tennis + Soccer Search [ ]Search Share * Facebook * Twitter * LinkedIn * Copy Link * Tech Why Apple's Privacy Changes Hurt Snap and Facebook but Benefited Google New iPhone privacy standards rocked digital advertising, raising some boats and lowering others The latest update to the iPhone's operating system features a new privacy feature called App Tracking Transparency. WSJ's Joanna Stern spoke exclusively with Apple's Craig Federighi about the decisions behind the feature, as well as Apple's interest in mixed reality--and the possibility he'll replace Tim Cook as CEO. Photo illustration: Alex Kuzoian for The Wall Street Journal By Patience Haggin Close Patience Haggin * Biography * @patiencehaggin * patience.haggin@wsj.com Oct. 27, 2021 6:53 pm ET Apple Inc.'s recent privacy crackdown has affected the largest players in online advertising very differently, recent quarterly results show, underscoring the strengths and weaknesses of each tech giant's ad business. Alphabet Inc.'s Google, the world's largest digital-ad company by revenue, tallied its highest sales growth in more than a decade in the third quarter, while Facebook Inc. and Snap Inc. came up short of expectations and blamed Apple's privacy rules for the slowdown. To Read the Full Story Subscribe Sign In [wsj-logo-b] Continue reading your article with a WSJ membership View Membership Options Resume Subscription We are delighted that you'd like to resume your subscription. You will be charged $ + tax (if applicable) for The Wall Street Journal. 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