Abstract: An image display apparatus for automatically determining an image in a video having a best picture of an object selected by a user.

Abstract: An electronic device comprises: a communicator for receiving population distribution data for at least one item among gender, age, and income from an external server and receiving user information composed of a plurality of items from each of a plurality of other electronic devices; and a processor for predicting unknown information by using a predictive model in which the unknown information is predicted by using a pre-stored variable parameter, for user information having the unknown information on a preset item in the received user information, generating population distribution data for the preset item by using the received user information and the predicted unknown information, comparing the generated population distribution data with the received population distribution data so as to calculate an error of the generated population distribution data, and changing the parameter of the predictive model on the basis of the calculated error so as to modify the predictive model.