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> Apple are cutting them off from advertising revenue with the unavailability of IDFA on iOS14.5 Is it impossible to do any kind of advertising without the IDF

• somedude895 6y ago
  You still have lots of options for advertising. All that IDFA does is allow you to identify users across apps. E.g. you're using Google Maps and Google wants to use your behavior in the app to then show you ads in Safari later. Or vice versa use your browsing behavior from Safari to decide which ad to show you in the Google Maps app. Also, it allows Google to track that you've seen an ad and later bought something from the advertiser's website, so the advertiser knows what they get in return for their ad spend.
  • greggman3 6y ago
    Will it still be possible to login across apps? As it is if login to Gmail I'm also logged into Chrome, Maps, Keep, Drive, Docs, Sheets, etc....
    • lxgr 6y ago
      I think Google does this via keychain item sharing. This won't go away, but only works between apps of the same vendor (who could arguably just also ship a giant monolithic app instead).
  • ilkkao 6y ago
    Apple rules state that the app needs to show the prompt if it does tracking based on any id. As far I know you can't avoid it by using logged-in user id or email. Technically yes, but not without breaking the rules set by Apple. "Sharing a list of emails, advertising IDs, or other IDs with a third-party advertising network that uses that information to retarget those users in other developers’ apps or to find similar users."