Systems and methods are provided for, in response to determining that an election to opt into a privacy policy has not been received from the user (or that an election to opt out of the privacy policy has been received from the user) using limited functionality of a data provider system to select, from a set of candidate data items and using a particular selection criterion (not based on personal information of the user), data items to be transmitted. System and methods may be further provided for, in response to determining that an election to opt into the privacy policy has been received (or that an election to opt out of the privacy policy has not been received), using full functionality search of the data provider system to select data items from the set of candidate data items based at least in part on the accessed personal information.