A report shows iOS ad rates began to plummet in June. When Apple released App Tracking Transparency as part of iOS 14.5, it posed a simple question to iPhone users: Do you want this app to track your activity across other companies’ apps and websites? Less than three months later, a new report says that so many chose no, advertisers are flocking to Android.According to the Wall Street Journal, prices for mobile ads directed at iOS users have fallen since iOS 14.5 arrived, while ad prices have risen for Android-targeted users. The publication estimates that some 70 percent of users...