So, last year, Apple changed the way other tech businesses access its users' data. It gave iPhone users the choice of allowing other apps to analyze how they interact and use their apps, but it took a hit on tech companies that rely on individualized data to target adverts to their customers.
Apple made significant changes to the privacy settings of its mobile operating system last year, allowing iPhone users to choose whether advertisers could track them. Since Apple introduced the feature, a vast majority of iPhone users have opted to block tracking.
Source: https://www.nytimes.com/2022/02/03/technology/apple-privacy-changes-meta.htmlPopular tech companies such as Facebook's parent company, Meta, Twitter, snap, and Pinterest has all suffered significant losses as a result of this effect. The chart obtained from NYTimes shows the state of the market structure, they have all been on a downward trajectory since the beginning of this year. Yesterday, Facebook alone declared a loss of close to $10 billion[1]
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https://africa.businessinsider.com/advertising/facebook-blames-apple-after-a-historically-bad-quarter-saying-iphone-privacy-changes/tljx88m