public function isPhotoTagged() {
		$num_tags = elgg_get_annotations([
			'guid' => $this->getGUID(),
			'type' => 'object',
			'subtype' => TidypicsImage::SUBTYPE,
			'annotation_name' => 'phototag',
			'count' => true,
		]);
		if ($num_tags > 0) {
			return true;
		} else {
			return false;
		}
	}