Apple battles with Epic Games as Twitter advises on privacy rules: Wednesday Wake-Up Call

Welcome to Ad Age’s Wake-Up Call, our daily roundup of advertising, marketing, media and digital news. If you're reading this online or in a forwarded email, here's the link to sign up for our Wake-Up Call newsletters.  Battle royale commencesApple’s court fight with Epic Games, maker of Fortnite, began yesterday in California, kicking off a battle royale that could decide the future of the App Store and the $100 billion app economy. As the New York Times rep