public function update_activity_akismet_meta( $activity ) {
		// Check we're dealing with what was last updated by Akismet.
		if ( empty( $this->last_activity ) || !empty( $this->last_activity ) && $activity->id != $this->last_activity->id )
			return;

		// By default, only handle activity updates and activity comments.
		if ( !in_array( $this->last_activity->type, BP_Akismet::get_activity_types() ) )
			return;

		// Spam.
		if ( 'true' == $this->last_activity->akismet_submission['bp_as_result'] ) {
			bp_activity_update_meta( $activity->id, '_bp_akismet_result', 'true' );
			$this->update_activity_history( $activity->id, __( 'Akismet caught this item as spam', 'buddypress' ), 'check-spam' );

		// Not spam.
		} elseif ( 'false' == $this->last_activity->akismet_submission['bp_as_result'] ) {
			bp_activity_update_meta( $activity->id, '_bp_akismet_result', 'false' );
			$this->update_activity_history( $activity->id, __( 'Akismet cleared this item', 'buddypress' ), 'check-ham' );

		// Uh oh, something's gone horribly wrong. Unexpected result.
		} else {
			bp_activity_update_meta( $activity->id, '_bp_akismet_error', bp_core_current_time() );
			$this->update_activity_history( $activity->id, sprintf( __( 'Akismet was unable to check this item (response: %s), will automatically retry again later.', 'buddypress' ), $this->last_activity->akismet_submission['bp_as_result'] ), 'check-error' );
		}

		// Record the original data which was submitted to Akismet for checking.
		bp_activity_update_meta( $activity->id, '_bp_akismet_submission', $this->last_activity->akismet_submission );
	}