Google owner Alphabet posted a blowout Q3 as rivals in digital advertising, including Facebook and Snapchat, went through a far bumpier period and missed revenue expectations. The social media category is being roiled by tracking changes introduced by Apple that have made it harder to target and measure mobile ads on the iPhone maker’s devices. When asked about the impact of the iOS updates by an analyst Tuesday, Alphabet CFO Ruth Porat said the hit to YouTube revenue has so far been “modest” and mostly affected direct response formats.
