9. A computer program product for controlling privacy on a computer, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, wherein the computer readable storage medium is not a transitory signal per se, the program instructions executable by a computer to cause the computer to perform a method comprising: receiving, by the computer, an input including a face recognition query and a digital image of a face; identifying, by the computer, a target user associated with a facial signature in a database based at least in part on a statistical correlation between a detected facial signature in the digital image and one or more facial signatures in the database; identifying, by the computer, a current context of the target user; extracting, by the computer, a profile of the target user from a profile database, wherein the extracted profile comprises one or more privacy preferences and a profile context, wherein the extracting is based on the current context matching the profile context by a matching threshold; and generating, by the computer, a customized profile of the target user, wherein the customized profile omits one or more elements of the profile of the target user based on the one or more privacy preferences and based on the current context of the target user.
9. A computer program product for controlling privacy on a computer, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, wherein the computer readable storage medium is not a transitory signal per se, the program instructions executable by a computer to cause the computer to perform a method comprising: receiving, by the computer, an input including a face recognition query and a digital image of a face; identifying, by the computer, a target user associated with a facial signature in a database based at least in part on a statistical correlation between a detected facial signature in the digital image and one or more facial signatures in the database; identifying, by the computer, a current context of the target user; extracting, by the computer, a profile of the target user from a profile database, wherein the extracted profile comprises one or more privacy preferences and a profile context, wherein the extracting is based on the current context matching the profile context by a matching threshold; and generating, by the computer, a customized profile of the target user, wherein the customized profile omits one or more elements of the profile of the target user based on the one or more privacy preferences and based on the current context of the target user. 15. The computer program product of claim 9 , wherein the one or more elements of the profile of the target user comprise one or more of the following: a name, present location, a residence location, work location, age, gender, birthday, job history, education history, associated social media users, and images associated with the target user.