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Facebook warning to advertisers after iPhone privacy crackdown
The social media giant has warned advertisers that the data on on how many people see their messages may be unreliable
3 May 2021 • 10:30pm
Facebook has warned advertisers that it may not be able to accurately measure the success of their adverts due a privacy clampdown by Apple in iPhone software.
The social media giant has added a disclaimer to its return on investment figures, which are crucial to advertisers confidence their money is well spent on its platform, saying they might now be missing data or partly based on “statistical modelling”.
Advertisers told