Apple moving forward on app privacy, despite pushback

An update to the software powering some billion iPhones around the world kicks in Monday with an enhanced privacy feature critics fear will roil the internet advertising world.

Apple will begin requiring app makers to tell users what tracking information they want to gather and get permission to do so, displaying what have been referred to as “privacy nutrition labels.”

The move by Apple, which has been in the works for months, has sparked a major rift with Facebook and other tech rivals and could have major implications for data privacy and the mobile ecosystem.