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Even if the actual interaction with people is mediated by an app, that doesn't mean data that is valuable to marketers(at the least) isn't being collected.

• dwild 12y ago
  That doesn't means that it's being collected either..
  • nitrogen 12y ago
    If it's valuable and technically possible, it's happening. Witness the use of phony cell towers and "free" wifi hotspots to track customers in shopping centers.