16. The system of claim 15 , wherein the instructions cause the data processing apparatus to perform operations further comprising: instantiating a device session for the user device; classifying the device session as an approved device session in response to receiving access approval from the verification service; and automatically providing the unfiltered content items to the user device for the duration of the device session.
16. The system of claim 15 , wherein the instructions cause the data processing apparatus to perform operations further comprising: instantiating a device session for the user device; classifying the device session as an approved device session in response to receiving access approval from the verification service; and automatically providing the unfiltered content items to the user device for the duration of the device session. 17. The system of claim 16 , wherein instantiating a device session for the user device comprises verifying a user login to a user account from the user device.