Earlier this year in April Apple started mandating "App Tracking Transparency," which gives users a choice about whether they can be tracked across app. Now tlhIngan (Slashdot reader #30,335) writes: The numbers are in and a number of ad companies are reporting lowered iOS spending, but 10% or more increases in Android ad spending.

Link: After Apple's 'App Tracking Transparency', Advertisers Spent More Money Targeting Android Users
via apple.slashdot.org