iOS update spells doom for Facebook and small businesses

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Apple has already mentioned at the Developer Conference (WWDC) in September 2020 that iOS will add the App Tracking Transparency function in future updates, giving users the right to choose whether to "anti-track" and refuse certain Some apps track users' online activities; at the time, this feature didn't create much of a buzz.

In December, it was finally confirmed that the anti-tracking function that had only been heard on the stairs would be officially put into service early next year. However, Apple has already officially launched it in the BETA (test version) of iOS, so it has finally revealed its operating mechanism.

To put it simply, this function stipulates that any APP must obtain usa whatsapp user authorization before collecting IDFA (Identifier for Advertisers). This information records user preferences, search records, etc. Advertisers can use this information to accurately deliver ads to users that interest them.

IDFA has always been effective precisely because this function has always been "on by default", that is, there is no need to obtain user consent. You only need to install the APP, and the APP has the right to collect the user's IDFA, and the IDFA data Sharing between different apps is allowed, which is why as long as you search for a certain product, or even just mention a certain product with a friend in WhatsApp, advertisements for the product will appear overwhelmingly in all the user's apps.

However, after the update, the collection of IDFA will be changed from "default enabled" to "default asked", and it is mandatory to ask in the initial interface when the user opens the APP for the first time. Users can also change the privacy settings in Always block the IDFA collection function of all APPs.