Apple Inc on Monday will begin rolling out an update of its iOS operating system with new privacy controls designed to limit digital advertisers from tracking iPhone users.
For Apple’s more than one billion iPhone users, the change will mean a new pop-up notification in some apps seeking their permission to collect data that Apple believes could be used to track their browsing habits across third-party apps and websites.
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For businesses, the rules could bring seismic changes to the nearly $100bn mobile advertising market if most iPhone users decline to allow data collection, though the exact impact remains a question, according to industry experts.
What is Apple doing?
Apple is requiring app developers who want to collect a digital advertising identifier from iPhone users to show a pop-up saying that the app “would like permission to track you across apps and websites owned by other companies”, along with an explanation from the app developer about why permission is being sought. Some mobile advertising analysts believe that fewer than one in three users are likely to grant permission.
Owners of iPhones also have a “tracking” menu in their phone’s privacy settings where they can opt out of tracking from all apps on their phone with a single switch, or pick and choose among apps to grant permission to.
What does this mean for developers and advertisers?
Both advertisers and app developers who sell ad inventory say if many iPhone users opt out of tracking, it will make advertising less effective. The ad industry has long gathered data about people’s web browsing behaviour in order to serve up ads, such as for clothes or cars, that users might be interested in.
A shrinking pool of user data could lead to lower sales for brands and lower ad revenue for mobile apps and publishers. Apple’s move has deepened a rift with Facebook Inc, which has said the change will hurt small businesses because it will impede their ability to find local customers to target with advertisements in a cost-effective way.
Why did Apple make the change?
Apple has said it wanted to give its customers more control over whether data collected on them by apps is shared with third parties.
Can apps still collect data on iPhone users?
Will iPhone apps still have ads?
Yes, iPhone users can still see ads even if they decline the new pop-up, as long as those ads are targeted using data the app developer has collected on its own. For example, a social network like Facebook can still target ads based on first-party data such as which groups users join or which posts they like. But if Facebook wants to target ads based on data from third-party websites that users have used their Facebook credentials to log into, it will need to seek permission.