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All of that data is also crucial if you want to sell advertising against your user base.

• achalkley 15y ago
  I don't think we have to deal with that. iAd and Admob provide the ads so we don't have to.
  • pinchyfingers 15y ago
    Oh, I had assumed you were selling the app and not going to show ads. Displaying your own ads might be something to think about - collecting user info over time and delivering highly targeted ads might be more profitable.
    • achalkley 15y ago
      Maybe. I have no idea on how targeted iAds or Admob are. I'd assume there would be some tracking of sorts.