public static function set_up_pointers() {
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

		$pointers = self::get_pointers_by_screen();

		// Get dismissed pointers.
		$dismissed      = self::get_dismissed_pointers();
		$valid_pointers = array();

		// Cycles through pointers and only add valid ones.
		foreach ( $pointers as $pointer_id => $pointer ) {

			// Skip if pointer isn't an array.
			if ( ! is_array( $pointer ) ) {
				continue;
			}

			$pointer['pointer_id'] = $pointer_id;

			// Skip if pointer is not valid.
			if ( ! self::is_pointer_valid( $pointer ) ) {
				continue;
			}

			// Skip if pointer has already been dismissed.
			if ( in_array( $pointer_id, $dismissed ) )
				continue;

			// Add the pointer to $valid_pointers array.
			$valid_pointers['pointers'][] = $pointer;
		}

		// Bail out if there are no pointers to display.
		if ( empty( $valid_pointers ) ) {
			return;
		}

		// Add pointers style to queue.
		wp_enqueue_style( 'wp-pointer' );

		// Add pointers script to queue. Add custom script.
		wp_enqueue_script( 'pum-pointer', Popup_Maker::$URL . 'assets/js/admin-pointer.js', array( 'wp-pointer' ), Popup_Maker::$VER, true );

		// Add pointer options to script.
		wp_localize_script( 'pum-pointer', 'pumPointers', $valid_pointers );
	}