Opt-in vs opt-out data sharing refers to the differing consent models used for collecting user data. In an opt-in model, users must actively give their permission for their data to be collected, typically through an explicit action like checking a box. In contrast, the opt-out model allows data collection by default, giving users the choice to withdraw their consent later. These approaches are significant in discussing privacy and data security, as they impact how personal information is handled in virtual and augmented reality applications.
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