1. A method of determining a presence of an advertisement in an image, the method comprising: receiving an image related to a first geographic location; detecting, with a processor, a face in the image; comparing, with the processor, the detected face to a plurality of faces found in a plurality of images, at least one of the plurality of images being related to a second geographic location; determining, based on the comparison, whether an advertisement with the detected face is present in the received image; and analyzing, with the processor, image features outside the detected face when it is determined that an advertisement is present in the received image, the processor.